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cond-mat.mes-hall2026
Emergence of charge and spin current in non-Hermitian quantum ring
Soumya Ranjan Padhi, Souvik Roy, Tapan Mishra
We investigate the charge and spin transport in a non-Hermitian ring of electrons subject to an external Zeeman field. By introducing non-Hermiticity through anti-Hermitian hopping…
cond-mat.dis-nn2026
Spin-aligned butterfly spectral map in Non-Hermitian quasicrystals
Soumya Ranjan Padhi, Souvik Roy, Debashree Chowdhury +1
The Non-Hermitian spinful Aubry-André-Harper (AAH) model in the presence of Rashba-type spin-orbit coupling (RSOC) and a spatially varying textured magnetic field is studied. Inter…