期刊
PHYSICAL REVIEW A
卷 86, 期 1, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.86.012331
关键词
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资金
- Jenny and Antti Wihuri Foundation
- Magnus Ehrnrooth Foundation
- Vilho, Yrjo and Kalle Vaisala Foundation
- Academy of Finland [259827]
- COST Action [MP1006]
- Academy of Finland (AKA) [259827, 259827] Funding Source: Academy of Finland (AKA)
We study a single two-level atom interacting with a reservoir of modes defined by a reservoir structure function with a frequency gap. Using the pseudomodes technique, we derive the main features of a trapping state formed in the weak coupling regime. Utilizing different entanglement measures we show that strong correlations and entanglement between the atom and the modes are in existence when this state is formed. Furthermore, an unexpected feature for the reservoir is revealed. In the long time limit and for weak coupling the reservoir spectrum is not constant in time.
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