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Complex symmetric Hamiltonians and exceptional points of order four and five
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SYSNO ASEP 0493748 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Complex symmetric Hamiltonians and exceptional points of order four and five Author(s) Znojil, Miloslav (UJF-V) RID, ORCID, SAI Number of authors 1 Article number 032109 Source Title Physical Review A. - : American Physical Society - ISSN 2469-9926
Roč. 98, č. 3 (2018)Number of pages 11 s. Publication form Print - P Language eng - English Country US - United States Keywords Non-Hermitian Hamiltonians ; models ; quantum mechanics Subject RIV BE - Theoretical Physics OECD category Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect) R&D Projects GA16-22945S GA ČR - Czech Science Foundation (CSF) Institutional support UJF-V - RVO:61389005 UT WOS 000444597000001 EID SCOPUS 85053400882 DOI 10.1103/PhysRevA.98.032109 Annotation A systematic elementary linear-algebraic construction of non-Hermitian Hamiltonians H = H(gamma) possessing exceptional points gamma = gamma((EP)) of higher orders is proposed. The implementation of the method leading to EPs of orders K = 4 and K = 5 is described in detail. Two distinct areas of applicability of our user-friendly benchmark models are conjectured: (1) in quantum mechanics of non-Hermitian systems and (2) in their experimental simulations via classical systems (e.g., coupled waveguides). Workplace Nuclear Physics Institute Contact Markéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 Year of Publishing 2019
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