Decoherence-free subspace and disentanglement dynamics for two qubits in a common non-Markovian squeezed reservoir
Quantum Physics
2015-05-19 v1 Statistical Mechanics
Abstract
We study the non-Markovian entanglement dynamics of two qubits in a common squeezed bath. We see remarkable difference between the non-Markovian entanglement dynamics with its Markovian counterpart. We show that a non-Markovian decoherence free state is also decoherence free in the Markovian regime, but all the Markovian decoherence free states are not necessarily decoherence free in the non-Markovian domain. We extend our calculation from squeezed vacuum bath to squeezed thermal bath, where we see the effect of finite bath temperatures on the entanglement dynamics.
Keywords
Cite
@article{arxiv.1007.3792,
title = {Decoherence-free subspace and disentanglement dynamics for two qubits in a common non-Markovian squeezed reservoir},
author = {Md. Manirul Ali and Po-Wen Chen and Hsi-Sheng Goan},
journal= {arXiv preprint arXiv:1007.3792},
year = {2015}
}
Comments
To appear in Phys. Rev. A (8 pages)