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Topological crystalline insulator state with type-II Dirac fermions in transition metal dipnictides
Baokai Wang, Bahadur Singh, Barun Ghosh +8
The interplay between topology and crystalline symmetries in materials can lead to a variety of topological crystalline insulator (TCI) states. Despite significant effort towards t…
Temperature Dependent Electronic Structure in a Higher Order Topological Insulator Candidate EuInAs
Sabin Regmi, Md Mofazzel Hosen, Barun Ghosh +12
The higher order topological insulator (HOTI) has enticed enormous research interests owing to its novelty in supporting gapless states along the hinges of the crystal. Despite sev…
Transition from Intrinsic to Extrinsic Anomalous Hall Effect in the Ferromagnetic Weyl Semimetal PrAlGeSi
Hung-Yu Yang, Bahadur Singh, Baozhu Lu +10
Recent reports of a large anomalous Hall effect (AHE) in ferromagnetic Weyl semimetals (FM WSM) have led to a resurgence of interest in this enigmatic phenomenon. However, due to a…
Dirac state switching in transition metal diarsenides
Gyanendra Dhakal, M. Mofazzel Hosen, Wei-Chi Chu +10
Topological Dirac and Weyl semimetals, which support low-energy quasiparticles in condensed matter physics, are currently attracting intense interest due to exotic physical propert…
Saddle-point von Hove singularity and dual topological insulator state in PtHgSe
Barun Ghosh, Sougata Mardanya, Bahadur Singh +7
Saddle-point van Hove singularities in the topological surface states are interesting because they can provide a new pathway for accessing exotic correlated phenomena in topologica…