Research Papers in Physics and Astronomy

 

Date of this Version

2-2012

Citation

JOURNAL OF APPLIED PHYSICS 111, 07E102 (2012); doi:10.1063/1.3670063

Comments

Copyright 2012 American Institute of Physics

Abstract

The quantum-mechanical Berry phase due to a randomly fluctuating magnetic field is calculated by exploiting an analogous random-walk problem in polymer physics. The phase depends on the time correlations of the magnetic field, despite the adiabatic nature of the Berry phase. A probability distribution for the phase is obtained, and how this phase could affect the magnetotransport in granular magnetic nanostructures is briefly discussed.

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