Publications

Published Journal Papers

Yangyang Liu, Gyanendra Dhakal, Anup Pradhan Sakhya, John E. Beetar, Firoza Kabir, Sabin Regmi, Dariusz Kaczorowski, Michael Chini, Benjamin M. Fregoso, and Madhab Neupane, Ultrafast relaxation of acoustic and optical phonons in a topological nodal-line semimetal ZrSiS; To appear in Communications Physics (2022). Pre-print @ arXiv:2111.05250 (2021); https://arxiv.org/pdf/2111.05250.pdf
Luo, Y. Jia, F. Tian, M. Khajavikhan, D. Christodoulides “Network analysis of Weyl semimetal photogalvanic systems,” Optics Letters 47, 2450-2453 (2022).
G. Pyrialakos , J. Beck, M. Heinrich, L. J. Maczewsky , N. V. Kantartzis, M. Khajavikhan , A. Szameit , D. N. Christodoulides “Bimorphic Floquet topological insulators,” Nature Materials 21, 634-639 (2022).
Xu, W. E. Hayenga, D. N. Christodoulides, M. Khajavikhan, P. LiKamWa “Direct modulation of electrically pumped coupled microring lasers,” Optics Express 30, 1143-1151 (2022).
O. Wu, P. S. Jung, M. Parto, M. Khajavikhan, D. N. Christodoulides “Entropic thermodynamics of nonlinear photonic chain networks,” Communications Physics 3, 216-1 (2020).
Koulas-Simos, G. Sinatkas, T. Zhang, J.-L. Xu, W. E. Hayenga, Q. Kan, R. Zhang, M. Khajavikhan, C.-. Ning, and S. Reitzenstein. “Extraction of silver losses at cryogenic temperatures through the optical characterization of silver-coated plasmonic nanolasers,”Optics Express 30, 21664-21678 (2022).
G. Pyrialakos, H. Ren, P. S. Jung, M. Khajavikhan, and D. N. Christodoulides. “Thermalization Dynamics of Nonlinear Non-Hermitian Optical Lattices,” Physical Review Letters 128, 213901 (2022).
Nasari, G. Lopez-Galmiche, H. E. Lopez-Aviles, A. Schumer, A. U. Hassan, Q. Zhong, S. Rotter, P. LiKamWa, D. N. Christodoulides, M. Khajavikhan “Observation of chiral state transfer without encircling an exceptional point,” Nature 605, 256-261 (2022).
G. N. Liu, O. Hemmatyar, A. U. Hassan, P. S. Jung, J.-H. Choi, D. N. Christodoulides, M. Khajavikhan “Engineering interaction dynamics in active resonant photonic structures,” APL Photonics 6, 050804-1 (2021).
N. G. Liu, M. Parto, P. Jung, D. N. Christodoulides, M. Khajavikhan, “Gain induced topological response via tailored long-range interactions,” Nature Physics 17, 704–709 (2021).
A. Selim, F. O. Wu, H. Ren, M. Khajavikhan, D. N. Christodoulides “Thermodynamic description of the near- and far-field intensity patterns emerging from multimode nonlinear waveguide arrays”, Physical Review A 105, 013514 (2022).
Bahari, J.-H. Choi, Y. G.N. Liu, and M. Khajavikhan, “Majorana bound state cavities,”Physical Review B 104, 235423 (2021)
George, A. Bruhacs, A. Aadhi, W. E. Hayenga, R. Ostic, E. Whitby, M. Kues, Z. M. Wang, C. Reimer, M. Khajavikhan, and R. Morandotti “Time‐Resolved Second‐Order Coherence Characterization of Broadband Metallic Nanolasers,”Laser & Photonics Reviews 15, 2000593 (2021).
-H Choi, W. Hayenga, Y. Liu, M. Parto, B. Bahari, D. N. Christodoulides, M. Khajavikhan, “Room temperature electrically pumped topological insulator lasers,” Nature Communications 12, 3434 (2021)
Schumer, Y. G. N. Liu, J. Leshin, L. Ding, Y. Alahmadi, A. U. Hassan, H. Nasari, S. Rotter, D. N. Christodoulides, P. LiKamWa, M. Khajavikhan, “Topological Modes in a Laser Cavity via Exceptional State Transfer”, Science 375, 884-888 (2022).
S. Jung, M. Parto, G. G. Pyrialakos, H. Nasari, K. Rutkowska, M. Trippenbach, M. Khajavikhan, W. Krolikowski, D. N. Christodoulides, “Optical Thouless pumping transport and nonlinear switching in a topological low-dimensional discrete nematic liquid crystal array”, Physical Review A 105, 013513-1 (2022).
Parto, Y.G.N. Liu, B. Bahari, M. Khajavikhan, and D. N. Christodoulides, “Non-Hermitian and topological photonics: optics at an exceptional point,”Nanophotonics 10, 403-423 (2021).
Kreinberg, K. Laiho, F. Lohof, W. E. Hayenga, P. Holewa, C. Gies, M. Khajavikhan, and S. Reitzenstein, “Thresholdless Transition to Coherent Emission at Telecom Wavelengths from Coaxial Nanolasers with Excitation Power Dependent β‐Factors,”Laser & Photonics Reviews 14, 2000065 (2020).
Parto, W. E. Hayenga, A. Marandi, D. N. Christodoulides, and M. Khajavikhan. “Nanolaser-based emulators of spin Hamiltonians,”Nanophotonics 9, 4193-4198 (2020).
O. Wu, Q. Zhong, H. Ren, P. S. Jung, K. G. Makris, and D. N. Christodoulides, “Thermalization of Light’s Orbital Angular Momentum in Nonlinear Multimode Waveguide Systems,” Physical Review Letters 128, 123901 (2022).
Xiong, F. O. Wu, J.-T. Lü, Z. Ruan, D. N. Christodoulides, and Y. Chen, “K-space thermodynamic funneling of light via heat exchange,” Physical Review A 105, 033529 (2022).
M. Fregoso, M. Neupane, A. Pradhan Sakhya, “Energy relaxation dynamics in a nodal-line semimetal”, Physical Review B105, 144304 (2022).
Regmi, G. Dhakal, F. Cheenicode Kabeer, N. Harrison, F. Kabir, A. Pradhan Sakhya, K. Gofryk, D. Kaczorowski, P. M. Oppeneer, and M. Neupane, “Observation of multiple nodal-lines in SmSbTe,”Physical Review Materials 6, L031201-1(2022).
Kabir, M. Mofazzel Hosen, X. Ding, C. Lane, G. Dhakal, Y. Liu, K. Dimitri, C. Sims, S. Regmi, A. P. Sakhya, L. Persaud, J. E Beetar, Y. Liu, M. Chini, A. K. Pathak, J.-X. hu, K. Gofryk, and M. Neupane “Effect of dilute magnetism in a topological insulator”, Frontiers in Materials 8, 706658 (2021).
Dhakal, F. Cheenicode Kabeer, A. K. Pathak, F. Kabir, N. Poudel, R. Filippone, J. Casey, A. P. Sakhya, S. Regmi, C. Sims, K. Dimitri, P. Manfrinetti, K. Gofryk, P. M. Oppeneer, and M. Neupane “Anisotropically large anomalous and topological Hall effect in a kagome magnet”, Physical Review B 104, L161115 (2021).
Gao, Y.-F. Liu, C. Hu, J.-X. Qiu, C. Tzschaschel, B. Ghosh, S.-C. Ho, D. Bérubé, R. Chen, H. Sun, Z. Zhang, X.-Y. Zhang, Y.-X. Wang, N. Wang, Z. Huang, C. Felser, A. Agarwal, T. Ding, H.-J. Tien, A. Akey, J. Gardener, B. Singh, K. Watanabe, T. Taniguchi, K. S Burch, D. C Bell, B. B Zhou, W. Gao, H.-Z. Lu, A. Bansil, H. Lin, T.-R. Chang, L. Fu, Q. Ma, N. Ni, S.-Y. Xu “Layer Hall effect in a 2D topological axion antiferromagnet”, Nature 595, 521-525 (2021).
Wang, X. Zhou, H. Lin, A. Bansil “Higher-order topological insulator phase in a modified Haldane model”, Physical review B104, L121108 (2021).
Islam, B. Ghosh, C. Autieri, S. Chowdhury, A. Bansil, A. Agarwal, B. Singh “Tunable spin polarization and electronic structure of bottom-up synthesized MoSi₂N₄ materials”, Physical review B104, L201112 (2021).
Nyevel R. Perez, R. Angelo B. Villaos, L.-Y. Feng, A. B. Maghirang III, C.-P. Cheng, Z.-Q. Huang, C.-H. Hsu, A. Bansil, and F.-C. Chuang “Quantum spin Hall insulating phase and van Hove singularities in Zintl single-quintuple-layer AM₂X₂ (A = Ca, Sr, or Ba; M = Zn or Cd; X = Sb or Bi) family”, Applied Physics Reviews 9, 011410 (2022).
Dutta, B. Ghosh, B. Singh, H. Lin, A. Politano, A. Bansil, A. Agarwal, “Collective plasmonic modes in the chiral multifold fermionic material CoSi”, Physical Review B 105, 165104 (2022).
Islam, B. Ghosh, G. Cuono, A. Lau, W. Brzezicki, A. Bansil, A. Agarwal, B. Singh, T. Dietl, C. Autieri “Topological states in superlattices of HgTe class of materials for engineering three-dimensional flat bands”, Physical Review Research 4, 023114(2022).
Zhang, C.-Y. Huang, J. Kidd, R. S. Markiewicz, H. Lin, A. Bansil, B. Singh, and J. Sun “Weyl semimetal in the rare-earth hexaboride family supporting a pseudonodal surface and a giant anomalous Hall effect”, Physical Review B 105, 165140 (2022).
B. Sarkar, S. Mardanya, S.-M. Huang, B. Ghosh, C.-Y. Huang, H. Lin, A. Bansil, T.-Rong Chang, A. Agarwal, and B. Singh, “Magnetically tunable Dirac and Weyl fermions in the Zintl materials family”, Physical Review Materials 6, 044204 (2022).
Kabir, R. Filippone, G. Dhakal, Y. Lee, N. Poudel, J. Casey, A. P. Sakhya, S. Regmi, R. Smith, P. Manfrinetti, L. Ke, K. Gofryk, “Unusual magnetic and transport properties in HoMn₆Sn₆ kagome magnet”, Physical Review Materials 6, 064404 (2022).

Journal Papers Under Review/in Preparation

Wang, Y.-C. Hung, X. Zhou, H. Lin, and A. Bansil “Higher-Order Topological Phases in the Quantum Spin Hall insulators”, Physical Review Letters, Submitted.
-C. Chiu, G. Chang, G. Macam, I. Belopolski, S.-M. Huang, R. Markiewicz, J.-X. Yin, Z.-J. Cheng, C.-C. Lee, T.-R. Chang, F.-C. Chuang, S.-Y. Xu, H. Lin, M. Z. Hasan, and A. Bansil “Relativistic horizon of interacting Weyl fermions in condensed matter systems”, Nature, Submitted.
P. Sakhya, C.-Y. Huang, G. Dhakal, X.-J. Gao, S. Regmi, X. Yao, R. Smith, M. Sprague, B. Singh, H. Lin, S.-Y. Xu, F. Tafti, A. Bansil, M. Neupane “Observation of Fermi arcs and Weyl nodes in a non-centrosymmetric magnetic Weyl semimetal”, NPJ Quantum Materials, Submitted.
Regmi, C.-Y. Huang, M. A.Khan, B. Wang, G. Dhakal, A. P. Sakhya, M. M. Hosen, J. Thompson, F. Kabir, B. Singh, M. Ishigami, J. Mitchell, D. Kaczorowski, A. Bansil, and M. Neupane “Electronic Structure in a Rotational Topological Crystalline Insulator Candidate TaAs₂”, Physical Review Research, Submitted.
Wang, R. Verma, A. Bansil, S. Chowdhury, and B. Singh “Competing magnetic order and topological phases in centrosymmetric MnBi₂Se₄”, Physical Review B, Submitted.
Wang, X. Zhou, Y.-C. Hung, Y.-C. Lin, H. Lin, and A. Bansil “High Spin-Chern-Number Insulator in α-Antimonene with a Hidden Topological Phase”, Physical Review Letters, Submitted.
Rizza, D. Dutta, B. Ghosh, F. Alessandro, C.-N. Kuo, C. S. Lue, L. S Caputi, A. Bansil, A. Agarwal, A. Politano, A. Cupolillo “Photonic Topological Transitions and Epsilon-Near-Zero Surface Plasmons in Type-II Dirac Semimetal NiTe₂”, Advanced Optical Materials, Submitted.
P. Yang, Y. Zhong, S. Mardanya, T. A. Cochran, R. Chapai, A. Mine, J. Zhang, Z.-J. Cheng, J. S. Barriga, O. J. Clark, J.- X. Yin, J. Blawat, G. Cheng, I. Belopolski, T. Nagashima, S. Najafzadeh, S. Gao, N. Yao, A. Bansil, R. Jin, T.-R. Chang, S. Shin, K. Okazaki, M. Z. Hasan “Coexistence of bulk-nodal and surface-nodeless Cooper pairings in a superconducting topological material”, Physical Review Letters, Submitted.
Kabir, B. Wang, A. Pradhan Sakhya, M. Mofazzel Hosen, B. Singh, S. Regmi, G. Dhakal, K. Dimitri, C. Sims, R. Smith, E. D. Bauer, F. Ronning, A. Bansil, and M. Neupane “Complex electronic structure evolution of NdSb across the magnetic transition”, Physical Review Letters, Submitted.
Cheng, M. M. Rahman, A. L. Allcca, A. Rustagi, X. Liu, L. Liu, L. Fu, Y. Zhu, Z. Mao, K. Watanabe, T. Taniguchi, P. Upadhyaya, Y. P. Chen, “Electrically tunable moiré magnetism in twisted double bilayer antiferromagnets” Nature Electronics, Submitted.
Cheng, M. M. Rahman, Z. He, A. L. Allcca, A. Rustagi, K. A. Stampe, Y. Zhu, S. Yan, S. Tian, Z. Mao, H. Lei, K. Watanabe, T. Taniguchi, P. Upadhyaya, Y. P. Chen, “Emergence of electric-field-tunable interfacial ferromagnetism in 2D antiferromagnet heterostructures”, Nature Communications, Submitted.
P. Yang, S. Mardanya, A. Bansil, Tay-Rong Chang, M. Zahid Hasan “Observation of a superconducting Fermi arc in a Dirac semimetal PdTe”, Science Advances, Submitted.
M. Yang, D. Sychev, X. Xu, Z. Martin, D. Mandurus, H. S. Arachchige, A. Lagoutchev, V. Shalaev and A. Boltasseva, “Plasmonically Enhanced Second Harmonic Generation of Weyl Semimetal TaAs”, to be submitted.
Tian, Y. Jia, H. Luo, H. S. Arachchige, D. Mandrus, J. G. Lu, D. N. Christodoulides, and M. Khajavikhan, “Weyl semimetal integrated 3-unit polarimeters”, submitted.
P. Madhogaria, H. W. S. Arachchige, R. Xue, S. Mozaffari, T. Matsuoka, and D. G. Mandrus, “Tuning magnetism of ScMn₆Sn₆ by Ga doping,” to be submitted.
Mozaffari, R. Xue, K. Flessa, B. Casas, L. Balicas, E. S. Choi, and D. Mandrus, “Topological Hall effect at room temperature in LuMn₆Sn₆,” to be submitted.
Xue,T. Matsuoka, W. Meier, and D. Mandrus, “Topological Hall effect in ScMn₆Sn₆,” to be submitted.
Xue, Y. Ahn, L. Zhao, and D. Mandrus, “New Magnetic phase in Kagome Magnet Co₃Sn₂S₂,” to be submitted.

Conference Presentations

Tian, Y. Jia, H. Luo, D. N. Christodoulides, and Mercedeh Khajavikhan “Photocurrent Frequency Response of TaAs Weyl Semimetal,” CLEO-QELS, San Jose CA (2022).
Jia, F. Tian, H. Luo, H. Suriya Arachchige, D. Mandrus, J. G. Lu, D. N. Christodoulides and M. Khajavikhan “TaAs Weyl Semimetal Full-Stokes Integrated Polarimeter,” CLEO-QELS, San Jose CA (2022).
Luo, Y. Jia, F. Tian, M. Khajavikhan, D. Christodoulides “Network Analysis of Weyl Semimetal Photogalvanic Systems,” CLEO-QELS, San Jose CA (2022).
G. Pyrialakos, J. Beck, M. Heinrich, M. Khajavikhan, A. Szameit, D. N. Christodoulides “A Floquet Topological Phase Induced by PT-symmetry in 2D Photonic Lattices,” CLEO-QELS, San Jose CA (2022).
Wilkey, Y. Jia, Y. Zhao, M. Jarrahi, and M. Khajavikhan, “PT-Symmetric Coupled-Cavity AlGaAs Laser for Tunable THz Generation,” CLEO-QELS, San Jose, CA (2022).
Nasari, G. Lopez-Galmiche, H. E. Lopez-Aviles, A. Schumer, A. U. Hassan, Q. Zhong, S. Rotter, P. L. LiKamWa, D. N. Christodoulides, and M. Khajavikhan, “Dynamics of Chiral State Transfer in the Vicinity of a Non-Hermitian Singularity,”CLEO-QELS, San Jose, CA (2022).
G. N. Liu, O. Hemmatyar, D. N. Christodoulides, and M. Khajavikhan, “Non-Hermitian Skin Effect in Laser Arrays,”CLEO-QELS, San Jose, CA (2022).
Beck, G. G. Pyrialakos, M. Heinrich, L. J. Maczewsky, M. Khajavikhan, N. V. Kantartzis, A. Szameit, and D. N. Christodoulides, “Observation of a Bimorphic Floquet Topological Insulator,” CLEO-QELS, San Jose, CA (2022).
R. Chabok, T. Lu, M. R. Mostaan, B. Bahari, P. S. Jung, D. N. Christodoulides, and M. Khajavikhan, “3D Dynamic Lensing via Enhanced Light-Sound Interactions,” CLEO-QELS, San Jose, CA (2022).
Ye, Y. G. N. Liu, Y. Wei, O. Hemmatyar, D. N. Christodoulides, and M. Khajavikhan, “Generation of spatio-temporal beams using orbital angular degrees of freedom,” CLEO-QELS, San Jose, CA (2022).
Deng and M. Khajavikhan, “Parity–time symmetric optical neural networks,” CLEO-QELS, San Jose, CA (2022).
G. Pyrialakos, J. Beck, M. Heinrich, M. Khajavikhan, A. Szameit, and D. N. Christodoulides, “A Floquet Topological Phase Induced by PT-symmetry in 2D Photonic Lattices,” CLEO-QELS, San Jose, CA (2022).
O. Wu, Q. Zhong, H. Ren, P. S. Jung, M. Khajavikhan, D. N. Christodoulides, “Thermalization of orbital angular momentum in highly multimoded nonlinear optical fibers,” CLEO- QELS, San Jose, CA (2021).
G. N. Liu, P. S. Jung, M. Parto W. E. Hayenga, Demetrios N. Christodoulides, M. Khajavikhan, “Gain Induced Topological Response via Tailored Long-range Interactions,” CLEO- QELS, San Jose, CA (2021).
Nasari, G. Lopez-Galmiche, H. E. Lopez Aviles, A.U. Hassan, A. Schumer, P. L. LiKamWa, M. Khajavikhan, D. N. Christodoulides, “Towards a Common Path Photonic Emulator for Dynamically Encircling an Exceptional Point,” CLEO- QELS, San Jose, CA (2021).
J-H. Choi, W. E. Hayenga, Y. G. N. Liu, M. Parto, B. Bahari, D. N. Christodoulides, M. Khajavikhan, “Room temperature electrically pumped topological insulator laser based on quantum spin Hall effect,” CLEO- QELS, San Jose, CA (2021).
George, A. Bruhacs, A. Aadhi, R. Ostic, E. Whitby, W. E. Hayenga, Z. M. Wang, M. Kues, C. Reimer, M. Khajavikhan, and R. Morandotti, “Temporal dynamics of second-order correlation function in nanolasers,” In Integrated Photonics Research, Silicon and Nanophotonics, pp. IF1A-5. Optical Society of America, 2021.
M. Yang, D. Sychev, X. Xu, Z. Martin, D. Mandrus, H. S. Arachchige, A. Lagoutchev, V. Shalaev and A. Boltasseva, “Plasmonically Enhanced Second Harmonic Generation of Weyl Semimetal TaAs through field confinement,” CLEO 2022, San Jose, CA (2022).
P. Sakhya, G. Dhakal, C.-Y. Huang, S. Regmi, H. Lin, B. Singh, F. Tafti, A. Bansil, M. Neupane, “Electronic structure of a new magnetic Weyl semimetal candidate CeAlSi by using ARPES”, APS March meeting 2022,Chicago, Illinois (2022).
P. Sakhya, C.-Y. Huang, G. Dhakal, X.-J. Gao, S. Regmi, X. Yao, R. Smith, M. Sprague, B. Singh, H. Lin, S.-Y. Xu, F. Tafti, A. Bansil, and M. Neupane,“Observation of Fermi-arcs and Weyl nodes in a new non-centrosymmetric magnetic Weyl semimetal” Annual Symposium Florida Chapter of the AVS Science and Technology Society, Gainesville, Florida (2022).
Sprague, F. Kabir, B. Wang, A. P. Sakhya, M. M. Hosen, S. Regmi, G. Dhakal, K. M. Dimitri, C. Sims, R. H. Smith, E. D. Bauer, F. Ronning, A. Bansil, M. Neupane,“Novel Electronic Structure Signature across Antiferromagnetic Transition in Rare Earth Monopnictide NdSb” APS March meeting 2022, Chicago, Illinois (2022).
P. Sakhya, F. Kabir, B. Wang, M. M. Hosen, S. Regmi, G. Dhakal, K. Dimitri, C. Sims, R. Smith, E. D Bauer, F. Ronning, A. Bansil, M. Neupane, “Electronic structure of rare earth monopnictide NdSb using angle-resolved photoemission spectroscopy”, ANPA Conference 2021(2021).
P. Sakhya, F. Kabir, B. Wang, M. M. Hosen, S. Regmi, G. Dhakal, K. Dimitri, C. Sims, R. Smith, E. D Bauer, F. Ronning, A. Bansil, M. Neupane: “Electronic structure of a semimetal NdSb across the magnetic transition,” International Conference on Strongly Correlated electron systems, Brazil (2021).
P. Sakhya, M. M. Hosen, S. Regmi, B. Wang, G. Dhakal, K. Dimitri, F. Kabir, C. Sims, L. Persaud, E. D. Bauer, F. Ronning, A. Bansil, M. Neupane, “Unusual change in the electronic structure of a semimetal NdSb across the magnetic transition”, APS March Meeting (2021).
P. Sakhya, M. M. Hosen, S. Regmi, B. Wang, G. Dhakal, K. Dimitri, F. Kabir, C. Sims, L. Persaud, E. D Bauer, F. Ronning, A. Bansil, M. Neupane, “Unusual change in the electronic structure of a semimetal NdSb across the magnetic transition”, ANPA Conference (2021).
Chang, D. S. Sanchez, I. Belopolski, T. Cochran, B. Wieder, F. Schindler, J. Yin, S. Zhang, S.-M. Huang, B. Singh, T.-R. Chang, A. Bansil, T. Neupert, S. Xu, H. Lin, Z. Hasan, “Topological Chiral Semimetal: Theory and Experiments,” APS March Meeting (2021).
Dimitri, M. M. Hosen, G. Dhakal, B. Wang, F. Kabir, C. Sims, S. Regmi, B. Singh, A. Sarkar, A. Agarwal, E. D. Bauer, F. Ronning, A. Bansil, M. Neupane, “Electronic structure study of rare-earth monopnictide DySb,” APS March Annual Meeting (2021).
-Y. Yang, B. Singh, J. Gaudet, B. Lu, C.-Y. Huang, W.-C. Chiu, S.-M. Huang, B. Wang, F. Bahrami, B. Xu, J. D. Franklin, I. Sochnikov, D. E. Graf, G. Xu, Y. Zhao, C. Hoffmann, H. Lin, D. Torchinsky, C. L. Broholm, A. Bansil, F. Tafti, “Unconventional Anomalous Hall Effect in a New Noncollinear Ferromagnetic Weyl Semimetal CeAlSi with Tunable Fermi Level,” APS March Annual Meeting (2021).
Chang, Z. Hasan, A. Bansil, H. Lin, S. Xu, D. Sanchez, I. Belopolski, J. Yin: “Bulk and surface photocurrents in topological chiral crystals,” APS March Meeting 2022, Chicago, Illinois (2022).
Alqasseri, B. Ghosh, A. Bansil, F. Tafti, B. Singh, S. Chowdhury, “Tuning the Exotic Quantum Phase of EuA₂X₂ (A = Cd, Zn, Mg, Sb; X = As, P) with Chemical substitution,” APS March Meeting 2022, Chicago, Illinois (2022).
-Y. Yang, F. Tafti, B. Singh, A. Bansil, J. Gaudet, C. Broholm, S. Baidya, D. Vanderbilt, P. Nikolic, B. Lu, D. Torchinsky, C.-Y. Huang, H. Lin, B. Xu, I. Sochnikov, D. Graf, “Weyl-node-driven domain wall motion and collective magnetism in double-symmetry-breaking Weyl semimetals,” APS March Meeting 2022, Chicago, Illinois (2022).
Wang, X ZHou, Y. C. Lin, H. Lin, A. Bansil, “High Spin-Chern-Number Insulator in α-Antimonene,” APS March Meeting 2022, Chicago, Illinois (2022).
Ghosh, D. Dutta, B. Singh, H. Lin, A. Politano, A. Bansil, A. Agarwal: “Collective plasmonic modes in the chiral multifold fermionic material CoSi,” APS March Meeting 2022, Chicago, Illinois (2022).
Lin, S.-W. Lien, I. Garate, C.-Y. Huang, U. Bajpai, C.-H. Hsu, Y.-H. Tu, T.-R. Chang, N. Lanzillo, G. Liang, A. Bansil, C.-T. Chen, “Resistivity scaling in topological semimetal CoSi,” APS March Meeting 2022, Chicago, Illinois (2022).
Zhou, B. Wang, H. Lin, A. Bansil, “Higher-order topological insulator phase in a modified Haldane model,” APS March Meeting 2022, Chicago, Illinois (2022).
-C. Chiu, S. Mardanya, R. Markiewicz, J. Nieminen, B. Singh, T. Hakioglu, A. Agarwal, T.-R. Chang, H. Lin, A. Bansil, “Strain-induced topological charge density wave in monolayer NbSe₂,” APS March Meeting 2022, Chicago, Illinois (2022).

Invited/Plenary/Tutorial Talks and Seminars

Yong Chen. “Two-dimensional (2D)/Van der Waals (vdW) quantum materials”, SMART Lighthouse Summer School/Workshop, Sandbjerg, Sonderborg, Denmark (06/15/2021)
Yong Chen. “Photocurrent as probe for Topological Semimetals”, 2nd JSPS New Science workshop of Discrete Geometric Analysis for Materials Design (online, 01/09/2021)
Neupane: Invited talk at Frontier of Energy Science seminar at Idaho National Laboratory, Idaho Falls, ID; Title of the talk: “Photoemission Investigation of Topological Quantum Materials” August18, 2020 delivered online via bluejeans.
Neupane: Invited talk online; Title of the talk: “Experimental realization of topological insulator and beyond” The international Conference on Solid Compounds of Transition Elements, April 15, Wroclaw, Poland, 2021.
Neupane: Invited talk online, Title of the talk: “Experimental realization of topological quantum materials” 2021 IEEE Research and Applications of Photonics Defence Conference (RAPID), Schedule August 2021.
Khajavikhan: “What’s Next in Integrated Photonics”, CLEO-QELS 2021- Virtual (Panelist)
Khajavikhan: “Parity-Time Symmetric Ring Laser Gyroscopes”, CLEO-QELS 2021- Special Symposium on Micro-Photonic PNT Virtual (Invited)
Khajavikhan: Colloquium at Department of Electrical Engineering, University of Notre Dame (Zoom): April 2021.
Khajavikhan: Colloquium at Department of Electrical Engineering, Rice University (Zoom): February 2021.
Khajavikhan: “Topological Photonics”, APS March meeting- Tutorial speaker- March 2022
Khajavikhan: “Opportunities in non-Hermitian and topological photonics”, ARO workshop, September 2021- Virtual
Khajavikhan: “Opportunities in non-Hermitian and topological photonics”, Boston IEEE Chapter, Sept. 2021- Virtual
Khajavikhan: “Playing with gain in non-Hermitian photonics”, ARO workshop Aug. 2021- Virtual
Khajavikhan: Colloquium at Department of Physics, Oklahoma University (Zoom): September 2021
Khajavikhan: Seminar Lecture at the Fitzpatrick Institute for Photonics (FIP), Duke University, Durham, North Carolina, USA, October 2021
Khajavikhan: “Topological Photonics: Applications”, School of Metamaterials- September 2021- Virtual
Bansil: MRS Spring Meeting: Symposium on Synthesis and Control of Dirac and Topological Materials, Phoenix, Arizona, November 2020 (Covid-19: held online).
Bansil: Quantum Matters in Materials Science (QMMS) Workshop, National Institute of Standards and Technology (NIST), Gaithersburg, Maryland, December 2020. (Covid-19: held online)
Bansil: International Materials Science, Engineering and Technology Webinar, Vebleo Fellowship Lecture, February 2021. Plenary Invited Lecture (online).
Bansil: MRS/Kavli Future of Materials Workshop: Computational Materials Science, June 2021 (online).
Bansil: Materials Research Society (MRS) Spring Meeting, Symposium on “Topology and Exotic Quantum Phases in 3D Materials,” Honolulu, Hawaii, May 2022.
Bansil: Colloquium, Physics Department, Virginia Tech, Blacksburg, Virginia, November 2020. (Covid-19: online)
Bansil: Materials Science and Engineering Colloquium, University of California-Riverside, California, March 2021. (online)
Bansil: Materials Science and Engineering Seminar, University of Pennsylvania (UPenn), Philadelphia, December 2021
Bansil: Colloquium, Physics Department, Virginia Tech, Blacksburg, Virginia, November 2020. (Covid-19: online)
Bansil: Materials Science and Engineering Colloquium, University of California-Riverside, California, March 2021. (online)
Bansil: Materials Science and Engineering Seminar, University of Pennsylvania (UPenn), Philadelphia, December 2021

Some of research highlighted in media

June 2022: Hadiseh’s work was highlighted in Phys.org:

https://phys.org/news/2022-06-emulator-reveals-intricacies-behavior-complex.html

June 2022: Hadiseh’s work highlighted by UCF

https://creol.ucf.edu/researchers-design-new-emulator-that-reveals-the-intricacies-of-light-behavior-in-complex-evolving-systems/

March 2022: Donuts and lasers: https://phys.org/news/2022-02-topology-crucial-role-laser.html

May 2022: News articles about our work on Chain-driven Floquet topological insulators https://www.eurekalert.org/news-releases/953129

https://www.sciencedaily.com/releases/2022/05/220518113827.htm

March 2022:USC’s news article about our topological lasing via exceptional state transfer https://viterbischool.usc.edu/news/2022/02/topological-lasing-by-encircling-an-exceptional-singularity/

November 2021: USC’s news about our work on AI.

https://viterbischool.usc.edu/news/2021/11/usc-viterbi-professor-and-undergrad-team-up-to-improve-ai/

November 2020: Four Northeastern Researchers Named to 2020 List of ‘Highly Cited Researchers’

https://cos.northeastern.edu/news/four-northeastern-researchers-named-to-2020-list-of-highly-cited-researchers/

June 2021: What Goes on Inside of the Battery of Your iPhone

https://news.northeastern.edu/2021/06/21/what-goes-on-inside-the-battery-of-your-iphone-at-the-atomic-level/

August 2021: ‘Holy Grail’ Discovery in Solid-State Physics Could Usher in New Technologies

https://news.northeastern.edu/2021/08/09/holy-grail-discovery-in-solid-state-physics-could-usher-in-new-technologies/

September 2021: Using this Billion Dollar Laser, Physicists Hope to Probe the Quantum World for New Discoveries

https://news.northeastern.edu/2021/09/10/northeastern-funding-quantum-physics-research/

October 2021: Arun Bansil named 2021 APS Fellow

https://mailchi.mp/a05172d964ef/cos-connects-101821?e=faa8065a01

January 2022: Four Northeastern Professors Earn Their Place on 2021’s List of “Highly Cited Researchers”

https://cos.northeastern.edu/news/four-northeastern-professors-earn-their-place-on-2021s-list-of-highly-cited-researchers/

March 2022: Breakthrough in Quantum Sensing Provides New Material to Make ‘Qubits’

https://news.northeastern.edu/2022/03/08/quantum-computing-qubits/

April 2022: Researchers Discover New ‘Unexpected’ Phenomena in Quantum Physics of Materials

https://news.northeastern.edu/2022/05/19/quantum-physics-discovery-antiferromagnetic-insulators/

August 2021: IEEE Spectrum highlighted our work on electrically pumped topological insulator lasers https://spectrum.ieee.org/tech-talk/semiconductors/optoelectronics/roomtemp-topolaser

Publications

Published Journal Papers

Luo, Y. Jia, F. Tian, M. Khajavikhan, D. Christodoulides “Network analysis of Weyl semimetal photogalvanic systems,” Optics Letters 47, 2450-2453 (2022).

G. Pyrialakos , J. Beck, M. Heinrich, L. J. Maczewsky , N. V. Kantartzis, M. Khajavikhan , A. Szameit , D. N. Christodoulides “Bimorphic Floquet topological insulators,” Nature Materials 21, 634-639 (2022).

Xu, W. E. Hayenga, D. N. Christodoulides, M. Khajavikhan, P. LiKamWa “Direct modulation of electrically pumped coupled microring lasers,” Optics Express 30, 1143-1151 (2022).

O. Wu, P. S. Jung, M. Parto, M. Khajavikhan, D. N. Christodoulides “Entropic thermodynamics of nonlinear photonic chain networks,” Communications Physics 3, 216-1 (2020).

G. Pyrialakos, H. Ren, P. S. Jung, M. Khajavikhan, and D. N. Christodoulides. “Thermalization Dynamics of Nonlinear Non-Hermitian Optical Lattices,” Physical Review Letters 128, 213901 (2022).

Nasari, G. Lopez-Galmiche, H. E. Lopez-Aviles, A. Schumer, A. U. Hassan, Q. Zhong, S. Rotter, P. LiKamWa, D. N. Christodoulides, M. Khajavikhan “Observation of chiral state transfer without encircling an exceptional point,” Nature 605, 256-261 (2022).

G. N. Liu, O. Hemmatyar, A. U. Hassan, P. S. Jung, J.-H. Choi, D. N. Christodoulides, M. Khajavikhan “Engineering interaction dynamics in active resonant photonic structures,” APL Photonics 6, 050804-1 (2021).

N. G. Liu, M. Parto, P. Jung, D. N. Christodoulides, M. Khajavikhan, “Gain induced topological response via tailored long-range interactions,” Nature Physics 17, 704–709 (2021).

A. Selim, F. O. Wu, H. Ren, M. Khajavikhan, D. N. Christodoulides “Thermodynamic description of the near- and far-field intensity patterns emerging from multimode nonlinear waveguide arrays”, Physical Review A 105, 013514 (2022).

Bahari, J.-H. Choi, Y. G.N. Liu, and M. Khajavikhan, “Majorana bound state cavities,”Physical Review B 104, 235423 (2021)

George, A. Bruhacs, A. Aadhi, W. E. Hayenga, R. Ostic, E. Whitby, M. Kues, Z. M. Wang, C. Reimer, M. Khajavikhan, and R. Morandotti “Time‐Resolved Second‐Order Coherence Characterization of Broadband Metallic Nanolasers,”Laser & Photonics Reviews 15, 2000593 (2021).

-H Choi, W. Hayenga, Y. Liu, M. Parto, B. Bahari, D. N. Christodoulides, M. Khajavikhan, “Room temperature electrically pumped topological insulator lasers,” Nature Communications 12, 3434 (2021)

Schumer, Y. G. N. Liu, J. Leshin, L. Ding, Y. Alahmadi, A. U. Hassan, H. Nasari, S. Rotter, D. N. Christodoulides, P. LiKamWa, M. Khajavikhan, “Topological Modes in a Laser Cavity via Exceptional State Transfer”, Science 375, 884-888 (2022).

Parto, Y.G.N. Liu, B. Bahari, M. Khajavikhan, and D. N. Christodoulides, “Non-Hermitian and topological photonics: optics at an exceptional point,”Nanophotonics 10, 403-423 (2021).

Kreinberg, K. Laiho, F. Lohof, W. E. Hayenga, P. Holewa, C. Gies, M. Khajavikhan, and S. Reitzenstein, “Thresholdless Transition to Coherent Emission at Telecom Wavelengths from Coaxial Nanolasers with Excitation Power Dependent β‐Factors,”Laser & Photonics Reviews 14, 2000065 (2020).

Parto, W. E. Hayenga, A. Marandi, D. N. Christodoulides, and M. Khajavikhan. “Nanolaser-based emulators of spin Hamiltonians,”Nanophotonics 9, 4193-4198 (2020).

O. Wu, Q. Zhong, H. Ren, P. S. Jung, K. G. Makris, and D. N. Christodoulides, “Thermalization of Light’s Orbital Angular Momentum in Nonlinear Multimode Waveguide Systems,” Physical Review Letters 128, 123901 (2022).

Xiong, F. O. Wu, J.-T. Lü, Z. Ruan, D. N. Christodoulides, and Y. Chen, “K-space thermodynamic funneling of light via heat exchange,” Physical Review A 105, 033529 (2022).

M. Fregoso, M. Neupane, A. Pradhan Sakhya, “Energy relaxation dynamics in a nodal-line semimetal”, Physical Review B105, 144304 (2022).

Regmi, G. Dhakal, F. Cheenicode Kabeer, N. Harrison, F. Kabir, A. Pradhan Sakhya, K. Gofryk, D. Kaczorowski, P. M. Oppeneer, and M. Neupane, “Observation of multiple nodal-lines in SmSbTe,”Physical Review Materials 6, L031201-1(2022).

Wang, X. Zhou, H. Lin, A. Bansil “Higher-order topological insulator phase in a modified Haldane model”, Physical review B104, L121108 (2021).

Islam, B. Ghosh, C. Autieri, S. Chowdhury, A. Bansil, A. Agarwal, B. Singh “Tunable spin polarization and electronic structure of bottom-up synthesized MoSi2N4 materials”, Physical review B104, L201112 (2021).

Dutta, B. Ghosh, B. Singh, H. Lin, A. Politano, A. Bansil, A. Agarwal, “Collective plasmonic modes in the chiral multifold fermionic material CoSi”, Physical Review B 105, 165104 (2022).

Islam, B. Ghosh, G. Cuono, A. Lau, W. Brzezicki, A. Bansil, A. Agarwal, B. Singh, T. Dietl, C. Autieri “Topological states in superlattices of HgTe class of materials for engineering three-dimensional flat bands”, Physical Review Research 4, 023114(2022).

Zhang, C.-Y. Huang, J. Kidd, R. S. Markiewicz, H. Lin, A. Bansil, B. Singh, and J. Sun “Weyl semimetal in the rare-earth hexaboride family supporting a pseudonodal surface and a giant anomalous Hall effect”, Physical Review B 105, 165140 (2022).

B. Sarkar, S. Mardanya, S.-M. Huang, B. Ghosh, C.-Y. Huang, H. Lin, A. Bansil, T.-Rong Chang, A. Agarwal, and B. Singh, “Magnetically tunable Dirac and Weyl fermions in the Zintl materials family”, Physical Review Materials 6, 044204 (2022).

Kabir, R. Filippone, G. Dhakal, Y. Lee, N. Poudel, J. Casey, A. P. Sakhya, S. Regmi, R. Smith, P. Manfrinetti, L. Ke, K. Gofryk, “Unusual magnetic and transport properties in HoMn6Sn6 kagome magnet”, Physical Review Materials 6, 064404 (2022).

Wang, Y.-C. Hung, X. Zhou, H. Lin, and A. Bansil “Higher-Order Topological Phases in the Quantum Spin Hall insulators”, Physical Review Letters, Submitted.

-C. Chiu, G. Chang, G. Macam, I. Belopolski, S.-M. Huang, R. Markiewicz, J.-X. Yin, Z.-J. Cheng, C.-C. Lee, T.-R. Chang, F.-C. Chuang, S.-Y. Xu, H. Lin, M. Z. Hasan, and A. Bansil “Relativistic horizon of interacting Weyl fermions in condensed matter systems”, Nature, Submitted.

P. Sakhya, C.-Y. Huang, G. Dhakal, X.-J. Gao, S. Regmi, X. Yao, R. Smith, M. Sprague, B. Singh, H. Lin, S.-Y. Xu, F. Tafti, A. Bansil, M. Neupane “Observation of Fermi arcs and Weyl nodes in a non-centrosymmetric magnetic Weyl semimetal”, NPJ Quantum Materials, Submitted.

Wang, R. Verma, A. Bansil, S. Chowdhury, and B. Singh “Competing magnetic order and topological phases in centrosymmetric MnBi2Se4”, Physical Review B, Submitted.

Wang, X. Zhou, Y.-C. Hung, Y.-C. Lin, H. Lin, and A. Bansil “High Spin-Chern-Number Insulator in α-Antimonene with a Hidden Topological Phase”, Physical Review Letters, Submitted.

Rizza, D. Dutta, B. Ghosh, F. Alessandro, C.-N. Kuo, C. S. Lue, L. S Caputi, A. Bansil, A. Agarwal, A. Politano, A. Cupolillo “Photonic Topological Transitions and Epsilon-Near-Zero Surface Plasmons in Type-II Dirac Semimetal NiTe2”, Advanced Optical Materials, Submitted.

Kabir, B. Wang, A. Pradhan Sakhya, M. Mofazzel Hosen, B. Singh, S. Regmi, G. Dhakal, K. Dimitri, C. Sims, R. Smith, E. D. Bauer, F. Ronning, A. Bansil, and M. Neupane “Complex electronic structure evolution of NdSb across the magnetic transition”, Physical Review Letters, Submitted.

Cheng, M. M. Rahman, A. L. Allcca, A. Rustagi, X. Liu, L. Liu, L. Fu, Y. Zhu, Z. Mao, K. Watanabe, T. Taniguchi, P. Upadhyaya, Y. P. Chen, “Electrically tunable moiré magnetism in twisted double bilayer antiferromagnets” Nature Electronics, Submitted.

P. Yang, S. Mardanya, A. Bansil, Tay-Rong Chang, M. Zahid Hasan “Observation of a superconducting Fermi arc in a Dirac semimetal PdTe”, Science Advances, Submitted.

M. Yang, D. Sychev, X. Xu, Z. Martin, D. Mandurus, H. S. Arachchige, A. Lagoutchev, V. Shalaev and A. Boltasseva, “Plasmonically Enhanced Second Harmonic Generation of Weyl Semimetal TaAs”, to be submitted.

Tian, Y. Jia, H. Luo, H. S. Arachchige, D. Mandrus, J. G. Lu, D. N. Christodoulides, and M. Khajavikhan, “Weyl semimetal integrated 3-unit polarimeters”, submitted.

P. Madhogaria, H. W. S. Arachchige, R. Xue, S. Mozaffari, T. Matsuoka, and D. G. Mandrus, “Tuning magnetism of ScMn6Sn6 by Ga doping,” to be submitted.

Mozaffari, R. Xue, K. Flessa, B. Casas, L. Balicas, E. S. Choi, and D. Mandrus, “Topological Hall effect at room temperature in LuMn6Sn6,” to be submitted.

Xue,T. Matsuoka, W. Meier, and D. Mandrus, “Topological Hall effect in ScMn6Sn6,” to be submitted.

Xue, Y. Ahn, L. Zhao, and D. Mandrus, “New Magnetic phase in Kagome Magnet Co3Sn2S2,” to be submitted.

Conference Presentations

Tian, Y. Jia, H. Luo, D. N. Christodoulides, and Mercedeh Khajavikhan “Photocurrent Frequency Response of TaAs Weyl Semimetal,” CLEO-QELS, San Jose CA (2022).

Jia, F. Tian, H. Luo, H. Suriya Arachchige, D. Mandrus, J. G. Lu, D. N. Christodoulides and M. Khajavikhan “TaAs Weyl Semimetal Full-Stokes Integrated Polarimeter,” CLEO-QELS, San Jose CA (2022).

Luo, Y. Jia, F. Tian, M. Khajavikhan, D. Christodoulides “Network Analysis of Weyl Semimetal Photogalvanic Systems,” CLEO-QELS, San Jose CA (2022).

G. Pyrialakos, J. Beck, M. Heinrich, M. Khajavikhan, A. Szameit, D. N. Christodoulides “A Floquet Topological Phase Induced by PT-symmetry in 2D Photonic Lattices,” CLEO-QELS, San Jose CA (2022).

Wilkey, Y. Jia, Y. Zhao, M. Jarrahi, and M. Khajavikhan, “PT-Symmetric Coupled-Cavity AlGaAs Laser for Tunable THz Generation,” CLEO-QELS, San Jose, CA (2022).

Nasari, G. Lopez-Galmiche, H. E. Lopez-Aviles, A. Schumer, A. U. Hassan, Q. Zhong, S. Rotter, P. L. LiKamWa, D. N. Christodoulides, and M. Khajavikhan, “Dynamics of Chiral State Transfer in the Vicinity of a Non-Hermitian Singularity,”CLEO-QELS, San Jose, CA (2022).

G. N. Liu, O. Hemmatyar, D. N. Christodoulides, and M. Khajavikhan, “Non-Hermitian Skin Effect in Laser Arrays,”CLEO-QELS, San Jose, CA (2022).

Beck, G. G. Pyrialakos, M. Heinrich, L. J. Maczewsky, M. Khajavikhan, N. V. Kantartzis, A. Szameit, and D. N. Christodoulides, “Observation of a Bimorphic Floquet Topological Insulator,” CLEO-QELS, San Jose, CA (2022).

R. Chabok, T. Lu, M. R. Mostaan, B. Bahari, P. S. Jung, D. N. Christodoulides, and M. Khajavikhan, “3D Dynamic Lensing via Enhanced Light-Sound Interactions,” CLEO-QELS, San Jose, CA (2022).

Ye, Y. G. N. Liu, Y. Wei, O. Hemmatyar, D. N. Christodoulides, and M. Khajavikhan, “Generation of spatio-temporal beams using orbital angular degrees of freedom,” CLEO-QELS, San Jose, CA (2022).

Deng and M. Khajavikhan, “Parity–time symmetric optical neural networks,” CLEO-QELS, San Jose, CA (2022).

G. Pyrialakos, J. Beck, M. Heinrich, M. Khajavikhan, A. Szameit, and D. N. Christodoulides, “A Floquet Topological Phase Induced by PT-symmetry in 2D Photonic Lattices,” CLEO-QELS, San Jose, CA (2022).

O. Wu, Q. Zhong, H. Ren, P. S. Jung, M. Khajavikhan, D. N. Christodoulides, “Thermalization of orbital angular momentum in highly multimoded nonlinear optical fibers,” CLEO- QELS, San Jose, CA (2021).

G. N. Liu, P. S. Jung, M. Parto W. E. Hayenga, Demetrios N. Christodoulides, M. Khajavikhan, “Gain Induced Topological Response via Tailored Long-range Interactions,” CLEO- QELS, San Jose, CA (2021).

Nasari, G. Lopez-Galmiche, H. E. Lopez Aviles, A.U. Hassan, A. Schumer, P. L. LiKamWa, M. Khajavikhan, D. N. Christodoulides, “Towards a Common Path Photonic Emulator for Dynamically Encircling an Exceptional Point,” CLEO- QELS, San Jose, CA (2021).

J-H. Choi, W. E. Hayenga, Y. G. N. Liu, M. Parto, B. Bahari, D. N. Christodoulides, M. Khajavikhan, “Room temperature electrically pumped topological insulator laser based on quantum spin Hall effect,” CLEO- QELS, San Jose, CA (2021).

M. Yang, D. Sychev, X. Xu, Z. Martin, D. Mandrus, H. S. Arachchige, A. Lagoutchev, V. Shalaev and A. Boltasseva, “Plasmonically Enhanced Second Harmonic Generation of Weyl Semimetal TaAs through field confinement,” CLEO 2022, San Jose, CA (2022).

P. Sakhya, G. Dhakal, C.-Y. Huang, S. Regmi, H. Lin, B. Singh, F. Tafti, A. Bansil, M. Neupane, “Electronic structure of a new magnetic Weyl semimetal candidate CeAlSi by using ARPES”, APS March meeting 2022,Chicago, Illinois (2022).

P. Sakhya, F. Kabir, B. Wang, M. M. Hosen, S. Regmi, G. Dhakal, K. Dimitri, C. Sims, R. Smith, E. D Bauer, F. Ronning, A. Bansil, M. Neupane, “Electronic structure of rare earth monopnictide NdSb using angle-resolved photoemission spectroscopy”, ANPA Conference 2021(2021).

P. Sakhya, M. M. Hosen, S. Regmi, B. Wang, G. Dhakal, K. Dimitri, F. Kabir, C. Sims, L. Persaud, E. D. Bauer, F. Ronning, A. Bansil, M. Neupane, “Unusual change in the electronic structure of a semimetal NdSb across the magnetic transition”, APS March Meeting (2021).

P. Sakhya, M. M. Hosen, S. Regmi, B. Wang, G. Dhakal, K. Dimitri, F. Kabir, C. Sims, L. Persaud, E. D Bauer, F. Ronning, A. Bansil, M. Neupane, “Unusual change in the electronic structure of a semimetal NdSb across the magnetic transition”, ANPA Conference (2021).

Chang, D. S. Sanchez, I. Belopolski, T. Cochran, B. Wieder, F. Schindler, J. Yin, S. Zhang, S.-M. Huang, B. Singh, T.-R. Chang, A. Bansil, T. Neupert, S. Xu, H. Lin, Z. Hasan, “Topological Chiral Semimetal: Theory and Experiments,” APS March Meeting (2021).

Dimitri, M. M. Hosen, G. Dhakal, B. Wang, F. Kabir, C. Sims, S. Regmi, B. Singh, A. Sarkar, A. Agarwal, E. D. Bauer, F. Ronning, A. Bansil, M. Neupane, “Electronic structure study of rare-earth monopnictide DySb,” APS March Annual Meeting (2021).

Chang, Z. Hasan, A. Bansil, H. Lin, S. Xu, D. Sanchez, I. Belopolski, J. Yin: “Bulk and surface photocurrents in topological chiral crystals,” APS March Meeting 2022, Chicago, Illinois (2022).

Alqasseri, B. Ghosh, A. Bansil, F. Tafti, B. Singh, S. Chowdhury, “Tuning the Exotic Quantum Phase of EuA2X2 (A = Cd, Zn, Mg, Sb; X = As, P) with Chemical substitution,” APS March Meeting 2022, Chicago, Illinois (2022).

Wang, X ZHou, Y. C. Lin, H. Lin, A. Bansil, “High Spin-Chern-Number Insulator in α-Antimonene,” APS March Meeting 2022, Chicago, Illinois (2022).

Ghosh, D. Dutta, B. Singh, H. Lin, A. Politano, A. Bansil, A. Agarwal: “Collective plasmonic modes in the chiral multifold fermionic material CoSi,” APS March Meeting 2022, Chicago, Illinois (2022).

Lin, S.-W. Lien, I. Garate, C.-Y. Huang, U. Bajpai, C.-H. Hsu, Y.-H. Tu, T.-R. Chang, N. Lanzillo, G. Liang, A. Bansil, C.-T. Chen, “Resistivity scaling in topological semimetal CoSi,” APS March Meeting 2022, Chicago, Illinois (2022).

Zhou, B. Wang, H. Lin, A. Bansil, “Higher-order topological insulator phase in a modified Haldane model,” APS March Meeting 2022, Chicago, Illinois (2022).

-C. Chiu, S. Mardanya, R. Markiewicz, J. Nieminen, B. Singh, T. Hakioglu, A. Agarwal, T.-R. Chang, H. Lin, A. Bansil, “Strain-induced topological charge density wave in monolayer NbSe2,” APS March Meeting 2022, Chicago, Illinois (2022).

Invited/Plenary/Tutorial Talks and Seminars

Yong Chen. “Two-dimensional (2D)/Van der Waals (vdW) quantum materials”, SMART Lighthouse Summer School/Workshop, Sandbjerg, Sonderborg, Denmark (06/15/2021)

Yong Chen. “Photocurrent as probe for Topological Semimetals”, 2nd JSPS New Science workshop of Discrete Geometric Analysis for Materials Design (online, 01/09/2021)

Neupane: Invited talk at Frontier of Energy Science seminar at Idaho National Laboratory, Idaho Falls, ID; Title of the talk: “Photoemission Investigation of Topological Quantum Materials” August18, 2020 delivered online via bluejeans.

Neupane: Invited talk online; Title of the talk: “Experimental realization of topological insulator and beyond” The international Conference on Solid Compounds of Transition Elements, April 15, Wroclaw, Poland, 2021.

Islam, B. Ghosh, C. Autieri, S. Chowdhury, A. Bansil, A. Agarwal, B. Singh “Tunable spin polarization and electronic structure of bottom-up synthesized MoSi₂N₄ materials”, Physical review B104, L201112 (2021).

Kabir, R. Filippone, G. Dhakal, Y. Lee, N. Poudel, J. Casey, A. P. Sakhya, S. Regmi, R. Smith, P. Manfrinetti, L. Ke, K. Gofryk, “Unusual magnetic and transport properties in HoMn₆Sn₆ kagome magnet”, Physical Review Materials 6, 064404 (2022).

Wang, R. Verma, A. Bansil, S. Chowdhury, and B. Singh “Competing magnetic order and topological phases in centrosymmetric MnBi₂Se₄”, Physical Review B, Submitted.

Rizza, D. Dutta, B. Ghosh, F. Alessandro, C.-N. Kuo, C. S. Lue, L. S Caputi, A. Bansil, A. Agarwal, A. Politano, A. Cupolillo “Photonic Topological Transitions and Epsilon-Near-Zero Surface Plasmons in Type-II Dirac Semimetal NiTe₂”, Advanced Optical Materials, Submitted.

P. Madhogaria, H. W. S. Arachchige, R. Xue, S. Mozaffari, T. Matsuoka, and D. G. Mandrus, “Tuning magnetism of ScMn₆Sn₆ by Ga doping,” to be submitted.

Mozaffari, R. Xue, K. Flessa, B. Casas, L. Balicas, E. S. Choi, and D. Mandrus, “Topological Hall effect at room temperature in LuMn₆Sn₆,” to be submitted.

Xue,T. Matsuoka, W. Meier, and D. Mandrus, “Topological Hall effect in ScMn₆Sn₆,” to be submitted.

Xue, Y. Ahn, L. Zhao, and D. Mandrus, “New Magnetic phase in Kagome Magnet Co₃Sn₂S₂,” to be submitted.

Alqasseri, B. Ghosh, A. Bansil, F. Tafti, B. Singh, S. Chowdhury, “Tuning the Exotic Quantum Phase of EuA₂X₂ (A = Cd, Zn, Mg, Sb; X = As, P) with Chemical substitution,” APS March Meeting 2022, Chicago, Illinois (2022).

-C. Chiu, S. Mardanya, R. Markiewicz, J. Nieminen, B. Singh, T. Hakioglu, A. Agarwal, T.-R. Chang, H. Lin, A. Bansil, “Strain-induced topological charge density wave in monolayer NbSe₂,” APS March Meeting 2022, Chicago, Illinois (2022).