Number of the records: 1  

PT-Symmetric Waveguides and the Lack of Variational Techniques

  1. 1.
    SYSNO ASEP0384795
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitlePT-Symmetric Waveguides and the Lack of Variational Techniques
    Author(s) Krejčiřík, David (UJF-V) RID
    Number of authors1
    Source TitleIntegral Equations and Operator Theory - ISSN 0378-620X
    Roč. 73, č. 1 (2012), s. 1-2
    Number of pages2 s.
    Languageeng - English
    CountryCH - Switzerland
    KeywordsRobin Laplacian ; non-self-adjoint boundary conditions ; complex symmetric operator ; PT-symmetry ; waveguides ; discrete and essential spectra
    Subject RIVBA - General Mathematics
    Institutional supportUJF-V - RVO:61389005
    UT WOS000303468200001
    DOI10.1007/s00020-011-1926-8
    AnnotationOn a model of waveguide with non-Hermitian Robin-type boundary conditions, we demonstrate the need for a robust method establishing the existence of isolated eigenvalues for non-self-adjoint operators possessing both essential and discrete spectrum.
    WorkplaceNuclear Physics Institute
    ContactMarkéta Sommerová, sommerova@ujf.cas.cz, Tel.: 266 173 228 ; Renata Glasová, glasova@ujf.cas.cz, Tel.: 266 177 223
    Year of Publishing2013