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Geometric phase in open systems.

Abstract:
We calculate the geometric phase associated with the evolution of a system subjected to decoherence through a quantum-jump approach. The method is general and can be applied to many different physical systems. As examples, two main sources of decoherence are considered: dephasing and spontaneous decay. We show that the geometric phase is completely insensitive to the former, i.e., it is independent of the number of jumps determined by the dephasing operator.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
Journal:
Physical Review Letters
Volume:
90
Issue:
16
Pages:
160402
Publication date:
2003-04-01
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Source identifiers:
155075
Language:
English
Pubs id:
pubs:155075
UUID:
uuid:9b5154be-59f2-4113-8f93-ccf32f5722a8
Local pid:
pubs:155075
Deposit date:
2012-12-19

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