High Energy Physics - Lattice
[Submitted on 19 Mar 2015 (v1), last revised 12 May 2015 (this version, v2)]
Title:Critical point and scale setting in SU(3) plasma: An update
View PDFAbstract:We explore a method developed in statistical physics which has been argued to have exponentially small finite-volume effects, in order to determine the critical temperature Tc of pure SU(3) gauge theory close to the continuum limit. The method allows us to estimate the critical coupling betac of the Wilson action for temporal extents up to Nt ~ 20 with < 0.1% uncertainties. Making use of the scale setting parameters r0 and sqrt{t0} in the same range of beta-values, these results lead to the independent continuum extrapolations Tc r0 = 0.7457(45) and Tc sqrt{t0} = 0.2489(14), with the latter originating from a more convincing fit. Inserting a conversion of r0 from literature (unfortunately with much larger errors) yields Tc / LambdaMSbar = 1.24(10).
Submission history
From: Mikko Laine [view email][v1] Thu, 19 Mar 2015 05:55:28 UTC (41 KB)
[v2] Tue, 12 May 2015 09:28:19 UTC (42 KB)
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