0403231v2

related topics
{phase, path, phys}
{spin, pulse, spins}
{entanglement, phys, rev}
{cos, sin, state}
{time, decoherence, evolution}
{state, states, entangled}
{level, atom, field}
{energy, state, states}

Effect of intersubsystem coupling on the geometric phase in a bipartite system

X. X. Yi, Erik Sjöqvist

abstract: The influence of intersubsystem 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.

oai_identifier:
oai:arXiv.org:quant-ph/0403231
categories:
quant-ph
comments:
New title, small changes, journal reference added
doi:
10.1103/PhysRevA.70.042104
arxiv_id:
quant-ph/0403231
journal_ref:
Phys. Rev. A 70, 042104 (2004)
created:
2004-03-31
updated:
2004-10-26

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