arxiv: hep-lat/9909054 · v1 · pith:IFFU5CPTnew · submitted 1999-09-08 · ✦ hep-lat

Hard Thermal Loops and the Sphaleron Rate on the Lattice

D. Bodeker (1) , G.D. Moore (2) , K. Rummukainen (3) ((1) Niels Bohr Institute , (2) McGill , (3) NORDITA) This is my paper

classification ✦ hep-lat

keywords ratesphaleronhardlatticethermalactionagreealpha

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We measure the sphaleron rate (topological susceptibility) of hot SU(2) gauge theory, using a lattice implementation of the hard thermal loop (HTL) effective action. The HTL degrees of freedom are implemented by an expansion in spherical harmonics and truncation. Our results for the sphaleron rate agree with the parametric prediction of Arnold, Son and Yaffe: Gamma ~ \alpha^5 T^4.

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Hard Thermal Loops and the Sphaleron Rate on the Lattice

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