Reference Section Method for Mixed State Geometric Phase in Nonunitary Evolution

We propose the reference section method to obtain a geometric phase for the mixed states in nonunitary evolution. The reference connection on density operator space is defined. That the parallel transport method and reference section method are essentially two aspects of in phase concept is pointed...

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Published in:理论物理通讯：英文版 2015 (7), p.29-33
Main Author: 杜光乐 李田军
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Language:English
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geometric
phase
reference
section
mixed
states
non
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creator 杜光乐 李田军
description We propose the reference section method to obtain a geometric phase for the mixed states in nonunitary evolution. The reference connection on density operator space is defined. That the parallel transport method and reference section method are essentially two aspects of in phase concept is pointed out.
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ispartof 理论物理通讯：英文版, 2015 (7), p.29-33
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subjects geometric
phase
reference
section
mixed
states
non
title Reference Section Method for Mixed State Geometric Phase in Nonunitary Evolution
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