Geometry of decomposition dependent evolutions of mixed states
2004 (English)In: International Journal of Quantum Information, ISSN 0219-7499, Vol. 2, no 2, 247-256 p.Article in journal (Refereed) Published
We examine evolutions where each component of a given decomposition of a mixed quantal state evolves independently in a unitary fashion. The geometric phase and parallel transport conditions for this type of decomposition dependent evolution are delineated. We compare this geometric phase with those previously defined for unitarily evolving mixed states, and mixed state evolutions governed by completely positive maps.
Place, publisher, year, edition, pages
2004. Vol. 2, no 2, 247-256 p.
Geometric phase, mixed quantum states, conditional quantum dynamics
Research subject Physics
IdentifiersURN: urn:nbn:se:uu:diva-96146DOI: 10.1142/S0219749904000250ISI: 000227719600008OAI: oai:DiVA.org:uu-96146DiVA: diva2:170623