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Wilson loops

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crackjack
#1
Nov28-11, 03:07 PM
P: 117
I would like to know some areas in condensed matter physics where non-local gauge-invariant operator like Wilson loops make their appearance (as order parameter, for eg).

As an extension of above, I would also like to know some CMT applications of "surface operators" (2D extension of Wilson loops) that should couple to 1D defects.
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