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Asymptotically vanishing PT-symmetric potentials and negative-mass Schrodinger equations
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SYSNO ASEP 0327177 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Asymptotically vanishing PT-symmetric potentials and negative-mass Schrodinger equations Title Asymptoticky mizející PT-symetrické potenciály a Schrödingerovy rovnice s negativní-hmotností Author(s) Znojil, Miloslav (UJF-V) RID, ORCID, SAI
Siegl, P. (CZ)
Levai, G. (HU)Source Title Physics Letters. A. - : Elsevier - ISSN 0375-9601
Roč. 373, č. 22 (2009), s. 1921-1924Number of pages 4 s. Language eng - English Country NL - Netherlands Keywords non-Hermitian Hamiltonians ; quantum-mechanics ; transformation Subject RIV BE - Theoretical Physics R&D Projects GA202/07/1307 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10480505 - UJF-V (2005-2011) UT WOS 000266132100005 DOI 10.1016/j.physleta.2009.03.070 Annotation In paper I [M. Znojil, G. Levai, Phys. Lett. A 271 (2000) 327] we introduced the Coulomb-Kratzer bound-state problem in its crypto-Hermitian, PT-symmetric version. An instability of the original model is revealed here. A necessary stabilization is achieved, for almost all couplings, by an unusual. negative choice of the bare mass in Schrodinger equation. Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2010
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