Kinematic approach to mixed state geometric phase in nonunitary evolution
2004 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 93, no 8, 080405- p.Article in journal (Refereed) Published
A kinematic approach to the geometric phase for mixed quantal states in nonunitary evolution is proposed. This phase is manifestly gauge invariant and can be experimentally tested in interferometry. It leads to well-known results when the evolution is unitary.
Place, publisher, year, edition, pages
2004. Vol. 93, no 8, 080405- p.
Geometric phase, mixed states, nonunitary evolution
Research subject Physics
IdentifiersURN: urn:nbn:se:uu:diva-73208DOI: 10.1103/PhysRevLett.93.080405ISI: 000223472400005OAI: oai:DiVA.org:uu-73208DiVA: diva2:101119
Also in Virtual Journal of Quantum Information, September issue 2004.2007-02-062007-02-062011-10-06