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Hermitian-to-quasi-Hermitian quantum phase transitions

  1. 1.
    0489297 - ÚJF 2019 RIV US eng J - Článek v odborném periodiku
    Znojil, Miloslav
    Hermitian-to-quasi-Hermitian quantum phase transitions.
    Physical Review A. Roč. 97, č. 4 (2018), č. článku 042117. ISSN 2469-9926. E-ISSN 2469-9934
    Grant CEP: GA ČR GA16-22945S
    Institucionální podpora: RVO:61389005
    Klíčová slova: quantum phase transition * PT-symmetric * Herimiticity
    Obor OECD: Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)
    Impakt faktor: 2.907, rok: 2018

    The phenomenon of quantum phase transition is considered in the special case in which the evolution laws remain unitary and in which the bound-state energies remain observable. The conventional Hermiticity of observables is lost at the interface, replaced by the so-called quasi-Hermiticity. Several features of the passage of the system through the interface are discussed and illustrated by elementary illustrative PT-symmetric examples.
    Trvalý link: http://hdl.handle.net/11104/0283741

     
     
Počet záznamů: 1  

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