Generalization of parity-time and partial parity-time symmetry
Quantum Physics
2016-05-03 v2 Mathematical Physics
math.MP
Abstract
We show that parity-time and partial parity-time symmetries are particular cases of antiunitary symmetry. This point is illustrated by means of a recently discussed system of non-Hermitian coupled harmonic oscillators that also exhibits other types of antiunitary symmetries. We also show that a combination of group and perturbation theory is a useful tool for predicting broken antiunitary symmetry.
Keywords
Cite
@article{arxiv.1507.08850,
title = {Generalization of parity-time and partial parity-time symmetry},
author = {Francisco M. Fernández},
journal= {arXiv preprint arXiv:1507.08850},
year = {2016}
}