Comment on "Berry Phase in a Composite System"
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🪐 quant-ph
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berrycommentphasecompositecorrectlettobtainedphys
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We show in this comment that the results obtained in a recent work by Yi et al. [Phys. Rev. Lett. 92, 150406 (2004)] are quantitatively not correct and the proposed subsystem Berry phase is not well-defined.
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