Critical parameters for non-hermitian Hamiltonians
Mathematical Physics
2013-08-28 v2 math.MP
Abstract
We calculate accurate critical parameters for a class of non-hermitian Hamiltonians by means of the diagonalization method. We study three one-dimensional models and two perturbed rigid rotors with PT symmetry. One of the latter models illustrates the necessity of a more general condition for the appearance of real eigenvalues that we also discuss here.
Cite
@article{arxiv.1305.5164,
title = {Critical parameters for non-hermitian Hamiltonians},
author = {Francisco M Fernández and Javier Garcia},
journal= {arXiv preprint arXiv:1305.5164},
year = {2013}
}