Please use this identifier to cite or link to this item: http://hdl.handle.net/10497/15682
Title: 
Authors: 
Issue Date: 
24-May-2004
Citation: 
Tong, D. M., Kwek, L. C., Oh, C. H., Chen, J. L., & Ma, L. (2004). Operator-sum representation of time-dependent density operators and its applications. Physical Review A, 69(5), 054102.
Abstract: 
We show that any arbitrary time-dependent density operator of an open system can always be described in terms of an operator-sum representation (Kraus representation) regardless of its initial condition and the path of its evolution in the state space, and we provide a general expression of Kraus operators for arbitrary time-dependent density operator of an N -dimensional system. Moreover, applications of our result are illustrated through several examples.
URI: 
ISSN: 
1050-2947
Other Identifiers: 
10.1103/PhysRevA.69.054102
Website: 
Appears in Collections:Journal Articles

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