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quant-ph2024
Two-dimensional non-Hermitian Su-Schrieffer-Heeger Model
Udai Prakash Tyagi, Partha Goswami
A particle-hole symmetry protected 2D non-Hermitian Su-Schrieffer-Heeger (SSH) model is investigated. This version differs from the usual Hermitian version by the inclusion of gain…
cond-mat.mes-hall2024
Anomalous Nernst Effect in Ferromagnetic Weyl Semimetal
Udai Prakash Tyagi, Partha Goswami
In a three-dimensional Dirac semimetal the time reversal symmetry (TRS) or the inversion symmetry (IS) is not broken. With either of these symmetries broken, the Dirac points in th…