Physics – Quantum Physics
Scientific paper
2004-03-31
Phys. Rev. A 70, 042104 (2004)
Physics
Quantum Physics
New title, small changes, journal reference added
Scientific paper
10.1103/PhysRevA.70.042104
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.
Sjöqvist Erik
Yi Xiaoke
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