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

Pramana

S Graffi¹  E Caliceti1¹ 

[1] Dipartimento di Matematica, Università di Bologna, and INFN, Bologna, Italy$$

关键词: Perturbation theory;    $mathcal{PT}$ symmetry;    periodic potentials.;   

DOI  :  

学科分类：物理（综合）

来源: Indian Academy of Sciences

【 摘 要 】

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.

【 授权许可】

Unknown