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

• # Fulltext

https://www.ias.ac.in/article/fulltext/pram/073/02/0241-0249

• # 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

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

• # Pramana – Journal of Physics

Volume 96, 2022
All articles
Continuous Article Publishing mode

• # Editorial Note on Continuous Article Publication

Posted on July 25, 2019