Now showing items 1-3 of 3

    • Clustering of exceptional points and dynamical phase transitions 

      Eleuch, Hichem; Rotter, Ingrid (American Physical Society, 2016-04-25)
      The eigenvalues of a non-Hermitian Hamilton operator are complex and provide not only the energies but also the lifetimes of the states of the system. They show a nonanalytical behavior at singular (exceptional) points (EPs). ...
    • Loss, Gain, and Singular Points in Open Quantum Systems 

      Eleuch, Hichem; Rotter, Ingrid (Hindawi, 2018)
      Non-Hermitian quantum physics is used successfully for the description of different puzzling experimental results, which are observed in open quantum systems. Mostly, the influence of exceptional points on the dynamical ...
    • Resonances in open quantum systems 

      Eleuch, Hichem; Rotter, Ingrid (American Physical Society, 2017-02-14)
      The Hamilton operator of an open quantum system is non-Hermitian. Its eigenvalues are generally complex and provide not only the energies but also the lifetimes of the states of the system. The states may couple via the ...