Pramana | |
Dynamics of non-Markovianity in the presence of a driving field | |
Sarbishaei Mohsen1  Mandani Somayeh1  Javidan Kurosh11  | |
[1] Department of Physics, Ferdowsi University of Mashhad, 91775-1436, Mashhad, Iran$$ | |
关键词: Non-Markovianity; driving field; cavity QED; time convolutionless master equation; amplitude damping; phase damping; two-level atoms.; | |
DOI : | |
学科分类:物理(综合) | |
来源: Indian Academy of Sciences | |
【 摘 要 】
We investigate a two-level system in a cavity QED by considering the effects ofamplitude damping, phase damping and driving field. We have studied the non-Markovianity in resonance and non-resonance limits in the presence of these effects using Breuer–Laine–Piilo (BLP) non-Markovianity measure ($N_{m BLP}$). The evolution of the system is derived using the time convolutionless (TCL) master equation. In some conditions, it is shown that in the presence of a driving field, the $N_{m BLP} increases in the resonance and non-resonance limits. We have also found the exact solution of the master equation in order to investigate the effect of temperature- and environment excited states. We have shown that the behaviour of non-Markovianity is very different from what one can see from the TCL approach. We have also presented some explanation about the behaviour of non-Markovianity in the exact solution using quantum discord (QD).
【 授权许可】
Unknown
【 预 览 】
Files | Size | Format | View |
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RO201912040499306ZK.pdf | 392KB | download |