Stability of quantum states under dissipation - art. no. 032106

Authors
Retamal, JC Zagury, N
Citation
Jc. Retamal et N. Zagury, Stability of quantum states under dissipation - art. no. 032106, PHYS REV A, 6303(3), 2001, pp. 2106
Citations number
18
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW A
ISSN journal
10502947 → ACNP
Volume
6303
Issue
3
Year of publication
2001
Database
ISI
SICI code
1050-2947(200103)6303:3<2106:SOQSUD>2.0.ZU;2-Q
Abstract
Using a simple stability argument for the entropy production we find the co nditions for a state to remain pure under certain dissipative dynamics. We also calculate the time scales for the onset of decoherence when these cond itions are not satisfied.