• Reality and non-reality of the spectrum of $\mathcal{PT}$-symmetric operators: Operator-theoretic criteria

    • Fulltext


        Click here to view fulltext PDF

      Permanent link:

    • Keywords


      Perturbation theory; $\mathcal{PT}$ symmetry; periodic potentials.

    • Abstract


      We generalize some recently established criteria for the reality and non-reality of the spectrum of some classes of $\mathcal{PT}$-symmetric Schrödinger operators. The criteria include cases of discrete spectra and continuous ones.

    • Author Affiliations


      E Caliceti1 S Graffi1

      1. Dipartimento di Matematica, Università di Bologna, and INFN, Bologna, Italy
    • Dates

  • Pramana – Journal of Physics | News

    • Editorial Note on Continuous Article Publication

      Posted on July 25, 2019

      Click here for Editorial Note on CAP Mode

© 2021-2022 Indian Academy of Sciences, Bengaluru.