Comment on "Geometric phases for mixed states during cyclic evolutions"
Abstract
It is shown that a recently suggested concept of mixed state geometric phase in cyclic evolutions [2004 {\it J. Phys. A} {\bf 37} 3699] is gauge dependent.
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Submitted on 30 Apr 2004 (v1), last revised 8 Jul 2004 (this version, v2)
Updated
arXiv.org
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