{ "id": "quant-ph/0108016", "version": "v2", "published": "2001-08-03T11:21:49.000Z", "updated": "2001-08-10T09:22:20.000Z", "title": "Pseudo-Hermiticity of Hamiltonians under imaginary shift of the co-ordinate : real spectrum of complex potentials", "authors": [ "Zafar Ahmed" ], "comment": "7 pages, no figure, eq.5 is changed, eqs.6a-e added, submitted to Phys. Lett. A", "doi": "10.1016/S0375-9601(01)00622-3", "categories": [ "quant-ph" ], "abstract": "We propose that the real spectrum and the orthogonality of the states for several known complex potentials of both types, PT-symmetric and non-PT-symmetric can be understood in terms of currently proposed $\\eta$-pseudo-Hermiticity (Mostafazadeh, quant-ph/0107001) of a Hamiltonian, provided the Hermitian linear automorphism, $\\eta$, is introduced as $e^{-\\theta p}$ which affects an imaginary shift of the co-ordinate : $e^{-\\theta p} x e^{\\theta p} = x+i\\theta$.", "revisions": [ { "version": "v2", "updated": "2001-08-10T09:22:20.000Z" } ], "analyses": { "keywords": [ "real spectrum", "imaginary shift", "complex potentials", "pseudo-hermiticity", "co-ordinate" ], "tags": [ "journal article" ], "note": { "typesetting": "TeX", "pages": 7, "language": "en", "license": "arXiv", "status": "editable" } } }