EPJ Web Conf.
Volume 161, 2017XI International Symposium on Photon Echo and Coherent Spectroscopy (PECS-2017)
|Number of page(s)||2|
|Published online||31 October 2017|
Exact dynamics of a two-level atom beyond the rotating wave approximation
Samara National Research University, Department of nanoengeeniring, 34 Moskovskoe Shosse, Samara, 443086 Russia
* Corresponding author: email@example.com
Published online: 31 October 2017
Interaction Hamiltonians of some models beyond the rotating wave approximation are just a product of two commuting operators. The evolution operator of such models can be transformed into product of two independent chronological exponents with the help of Hubbard-Stratonovich transformation. We use such a representation of the evolution operator to exactly describe a two-level atom in a photonic thermostat.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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