Evanescent Wave Approximation for Non-Hermitian Hamiltonians
Quantum Physics
2021-08-04 v1
Abstract
The counterpart of the rotating wave approximation for non-Hermitian Hamiltonians is considered, which allows for the derivation of a suitable effective Hamiltonian for systems with some states undergoing decays. In the limit of very high decay rates, on the basis of this effective description we can predict the occurrence of a quantum Zeno dynamics which is interpreted as the removal of some coupling terms and the vanishing of an operatorial pseudo-Lamb shift.
Keywords
Cite
@article{arxiv.2108.01324,
title = {Evanescent Wave Approximation for Non-Hermitian Hamiltonians},
author = {Benedetto Militello and Anna Napoli},
journal= {arXiv preprint arXiv:2108.01324},
year = {2021}
}