Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1863260 | Physics Letters A | 2011 | 8 Pages |
Abstract
Decoherence of a qubit system interacting with a bosonic reservoir is considered when there is at most one excitation in the whole system and there is an initial correlation with the reservoir. An exact time-evolution of the system is obtained and the effect of the initial correlation on the time-evolution is examined in detail.
► Exact reduced dynamics with an initial correlation is obtained for a qubit system. ► Both of individual reservoirs and common reservoir are considered. ► The effect of an initial correlation on the decay of coherence and entanglement are examined.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Physics and Astronomy (General)
Authors
Masashi Ban, Sachiko Kitajima, Fumiaki Shibata,