Journal article
Geometric phases for mixed states in interferometry.
- Abstract:
- We provide a physical prescription based on interferometry for introducing the total phase of a mixed state undergoing unitary evolution, which has been an elusive concept in the past. We define the parallel transport condition that provides a connection form for obtaining the geometric phase for mixed states. The expression for the geometric phase for mixed state reduces to well known formulas in the pure state case when a system undergoes noncyclic and unitary quantum evolution.
- Publication status:
- Published
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Authors
Bibliographic Details
- Publisher:
- American Inst of Physics Publisher's website
- Journal:
- Physical Review Letters
- Volume:
- 85
- Issue:
- 14
- Pages:
- 2845-2849
- Publication date:
- 2000-10-01
- DOI:
- EISSN:
-
1079-7114
- ISSN:
-
0031-9007
Item Description
- Language:
- English
- Keywords:
- Pubs id:
-
pubs:156062
- UUID:
-
uuid:888f4720-855c-48a9-8706-695d60da8792
- Local pid:
- pubs:156062
- Source identifiers:
-
156062
- Deposit date:
- 2012-12-19
Terms of use
- Copyright date:
- 2000
- Notes:
- Two column, 4 pages, Latex file, No figures, Few changes
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