PT-symmetry breaking in resonant tunneling heterostructures
Mesoscale and Nanoscale Physics
2016-07-20 v1 Other Condensed Matter
Abstract
We present fermionic model based on symmetric resonant tunneling heterostructure, which demonstrates spontaneous symmetry breaking in respect to combined operations of space inversion (P) and time reversal (T). PT-symmetry breaking manifests itself in resonance coalescence (collapse of resonances). We show that resonant energies are determined by eigenvalues of auxiliary pseudo-Hermitian PT-invariant Hamiltonian.
Keywords
Cite
@article{arxiv.1604.03385,
title = {PT-symmetry breaking in resonant tunneling heterostructures},
author = {A. A. Gorbatsevich and N. M. Shubin},
journal= {arXiv preprint arXiv:1604.03385},
year = {2016}
}
Comments
4 pages, 2 figures