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Berry phase for a spin 1/2 particle in a classical fluctuating field.

Authors :
De Chiara G
Palma GM
Source :
Physical review letters [Phys Rev Lett] 2003 Aug 29; Vol. 91 (9), pp. 090404. Date of Electronic Publication: 2003 Aug 28.
Publication Year :
2003

Abstract

The effect of fluctuations in the classical control parameters on the Berry phase of a spin 1/2 interacting with an adiabatically cyclically varying magnetic field is analyzed. It is explicitly shown that in the adiabatic limit dephasing is due to fluctuations of the dynamical phase.

Details

Language :
English
ISSN :
0031-9007
Volume :
91
Issue :
9
Database :
MEDLINE
Journal :
Physical review letters
Publication Type :
Academic Journal
Accession number :
14525165
Full Text :
https://doi.org/10.1103/PhysRevLett.91.090404