Anyon spin and the exotic central extension of the planar Galilei group

Abstract

We show that the second central extension of the Galilei group in (2+1) dimensions corresponds to spin, which can be any real number.

LaTeX (revtex macros), 4 pages, references added

References in corpus (1)

• Galilean-Invariant (2+1)-Dimensional Models with a Chern-Simons-Like Term and D=2 N oncommutative Geometry

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