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quant-ph2016★ 3 cited
Pseudo-Hermitian systems with PT-symmetry: Degeneracy and Krein space
B. Choutri, O. Cherbal, F. Z. Ighezou +1
We show in the present paper that pseudo-Hermitian Hamiltonian systems with even PT-symmetry admit a degeneracy structure. This kind of degeneracy is expected traditionally in the…
quant-ph2016★ 1 cited
Pseudo-Hermitian systems, involutive symmetries and pseudofermions
O. Cherbal, D. Trifonov, M. Zenad
We have briefly analyzed the existence of the pseudofermionic structure of multilevel pseudo-Hermitian systems with odd time-reversal and higher order involutive symmetries. We hav…