Gauge degree of freedom

by plasmon
Tags: degree, freedom, gauge
plasmon is offline
Apr29-12, 12:34 PM
P: 27
Is it okay to classify angular degree of freedom of a point on a circle as a gauge degree

of freedom?

(i). One can add 2Pi to angle without changing the position of point.

(ii). U(1) symmetry exp (i theta)
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