Topology at zero and finite T in SU(2) Yang-Mills theory

Abstract

We determine the topological susceptibility χat T=0 and its behaviour at finite T across the deconfining transition in pure SU(2) gauge theory. We use an improved topological charge density operator. χgoes to zero above T_c, but more slowly than in SU(3) gauge theory.

9 pages + 3 separated postscript figures

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