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quant-ph2026
A Gauge-Covariant Geometric Framework for Non-Hermitian Quantum Systems
Gargi Das, Sudhanshu Shekhar, Bhabani Prasad Mandal
We develop a comprehensive, gauge-covariant geometric framework for non-Hermitian quantum systems in the quasi-Hermitian regime, that is, the region of parameter space where the no…
quant-ph2024
Generating QES potentials supporting zero energy normalizable states for an extended class of truncated Calogero Sutherland model
Satish Yadav, Sudhanshu Shekhar, Bijan Bagchi +1
Motivated by recent interest in the search for generating potentials for which the underlying Schrödinger equation is solvable, we report in the recent work several situations when…