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Effect of intersubsystem coupling on the geometric phase in a bipartite system
Dept. of Physics, Dalian Univ. of Technology, China.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Quantum Chemistry.
2004 (English)In: Physical Review A. Atomic, Molecular, and Optical Physics, ISSN 1050-2947, E-ISSN 1094-1622, Vol. 70, no 4, 042104- p.Article in journal (Refereed) Published
Abstract [en]

The influence of inter-subsystem coupling on the cyclic adiabatic geometric phase in bipartite systems is investigated. We examine the geometric phase effects for two uniaxially coupled spin-1/2 particles, both driven by a slowly rotating magnetic field. It is demonstrated that the relation between the geometric phase and the solid angle enclosed by the magnetic field is broken by the spin-spin coupling, in particular leading to a quenching effect on the geometric phase in the strong coupling limit.

Place, publisher, year, edition, pages
2004. Vol. 70, no 4, 042104- p.
Keyword [en]
Berry phase, spin-spin coupling
National Category
Physical Sciences
Research subject
Physics
Identifiers
URN: urn:nbn:se:uu:diva-73201DOI: 10.1103/PhysRevA.70.042104ISI: 000225322500018OAI: oai:DiVA.org:uu-73201DiVA: diva2:101112
Note
Also in Virtual Journal of Quantum Information, November issue 2004.Available from: 2007-02-06 Created: 2007-02-06 Last updated: 2011-10-06

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Sjöqvist, Erik

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