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arxiv: 1309.5258 · v2 · submitted 2013-09-20 · ✦ hep-lat · nucl-th

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Full result for the QCD equation of state with 2+1 flavors

Szabocls Borsanyi , Zoltan Fodor , Christian Hoelbling , Sandor D. Katz , Stefan Krieg , Kalman K. Szabo
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classification ✦ hep-lat nucl-th
keywords equationstatefullimprovedresultresultsactionavailable
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We present a full result for the 2+1 flavor QCD equation of state. All the systematics are controlled, the quark masses are set to their physical values, and the continuum extrapolation is carried out. This extends our previous studies [JHEP 0601:089 (2006); 1011:077 (2010)] to even finer lattices and now includes ensembles with Nt = 6,8,10,12 up to Nt = 16. We use a Symanzik improved gauge and a stout-link improved staggered fermion action. Our findings confirm our earlier results. In order to facilitate the direct use of our equation of state we make our tabulated results available for download.

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