Pseudo PT symmetric lattice
Physics Department, Anadolu University,
Received in final form: 20 October 2014
Published online: 13 January 2015
We study pseudo symmetry for a tight binding lattice with a general form of the modulation. Using high-frequency Floquet method, we show that the critical non-Hermitian degree for the reality of the spectrum can be manipulated by varying the parameters of the modulation. We study the effect of periodical and quasi-periodical nature of the modulation on the pseudo symmetry.
Key words: Quantum Optics
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag 2015