Discrete quantum square well of the first kind

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SYSNO ASEP	0365427
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	Discrete quantum square well of the first kind
Author(s)	Znojil, Miloslav (UJF-V)_{RID, ORCID, SAI}
Source Title	Physics Letters. A. - : Elsevier - ISSN 0375-9601 Roč. 375, č. 25 (2011), s. 2503-2509
Number of pages	8 s.
Language	eng - English
Country	NL - Netherlands
Keywords	NON-HERMITIAN HAMILTONIANS ; PSEUDO-HERMITICITY ; REAL SPECTRUM ; PT-SYMMETRY
Subject RIV	BE - Theoretical Physics
R&D Projects	GAP203/11/1433 GA ČR - Czech Science Foundation (CSF)
CEZ	AV0Z10480505 - UJF-V (2005-2011)
UT WOS	000292420400005
DOI	10.1016/j.physleta.2011.05.027
Annotation	A new exactly solvable cryptohermitian quantum chain model is proposed and analyzed. Its discrete-square-well-like Hamiltonian with the real spectrum possesses a manifestly non-Hermitian form. It is only made self-adjoint by the constructive transition to an ad hoc Hilbert space. Such a space (i.e., the closed form of its inner product, i.e., the "metric" Theta) varies with an N-plet of optional parameters. The simplicity of our model enables one to obtain the complete family of these physics-determining metrics Theta in a user-friendly band-matrix closed form. (C) 2011 Elsevier B.V. All rights reserved.
Workplace	Nuclear Physics Institute
Contact	Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228
Year of Publishing	2012

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