Physics Letters B· 2014Q1
Full result for the QCD equation of state with <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" overflow="scroll"><mml:mn>2</mml:mn><mml:mo>+</mml:mo><mml:mn>1</mml:mn></mml:math> flavors
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- 2014year
Short summary
A complete QCD equation of state for 2+1 flavors is now available, with controlled systematics, physical quark masses, and continuum extrapolation, extending previous work to finer lattices (up to Nt=16).
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Key points
- Presents the full QCD equation of state for 2+1 flavors.
- Systematics are controlled, quark masses are physical, and continuum extrapolation is performed.
- Results extend to finer lattices (Nt=6, 8, 10, 12, up to 16).
- Uses Symanzik improved gauge and stout-link improved staggered fermion actions.
- Tabulated results are provided for download.
AI-generated from the title and abstract; the full text is not read.
Abstract
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 (Aoki et al., 2006 [18]; Borsanyi et al., 2010 [14]) 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 [33].
The authors' abstract, as published at the source. Physics Letters B, 2014 · DOI ↗
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Field: Nuclear and High Energy Physics
Nuclear and High Energy PhysicsPhysics and Astronomy