Equation of state at finite temperature and chemical potential, lattice QCD results

Ferenc Csikor; Gyözö I. Egri; Zoltan Fodor; Sandor D. Katz; Kalman K. Szabó; Anna I. Tóth

doi:10.1088/1126-6708/2004/05/046

Equation of state at finite temperature and chemical potential, lattice QCD results

Ferenc Csikor, Gyözö I. Egri, Zoltan Fodor, Sandor D. Katz, Kalman K. Szabó, Anna I. Tóth

Physics

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32 Scopus citations

Abstract

We present an N_t = 4 lattice study for the equation of state of 2+1 flavour staggered, dynamical QCD at finite temperature and chemical potential. We suggest a method to quantify the statistical error of the overlap improving multi-parameter reweighting technique which we use to extend the equation of state for non-vanishing chemical potentials. The results are obtained on the line of constant physics and our physical parameters extend in temperature and baryon chemical potential upto ≈ 500-600 MeV. The continuum limit still must be taken and the quark mass reduced, to avoid potentially large systematic errors.

Original language	English (US)
Pages (from-to)	1083-1110
Number of pages	28
Journal	Journal of High Energy Physics
Volume	8
Issue number	5
DOIs	https://doi.org/10.1088/1126-6708/2004/05/046
State	Published - May 1 2004

All Science Journal Classification (ASJC) codes

Nuclear and High Energy Physics

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10.1088/1126-6708/2004/05/046

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abstract = "We present an Nt = 4 lattice study for the equation of state of 2+1 flavour staggered, dynamical QCD at finite temperature and chemical potential. We suggest a method to quantify the statistical error of the overlap improving multi-parameter reweighting technique which we use to extend the equation of state for non-vanishing chemical potentials. The results are obtained on the line of constant physics and our physical parameters extend in temperature and baryon chemical potential upto ≈ 500-600 MeV. The continuum limit still must be taken and the quark mass reduced, to avoid potentially large systematic errors.",

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T1 - Equation of state at finite temperature and chemical potential, lattice QCD results

AU - Csikor, Ferenc

AU - Egri, Gyözö I.

AU - Fodor, Zoltan

AU - Katz, Sandor D.

AU - Szabó, Kalman K.

AU - Tóth, Anna I.

PY - 2004/5/1

Y1 - 2004/5/1

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AB - We present an Nt = 4 lattice study for the equation of state of 2+1 flavour staggered, dynamical QCD at finite temperature and chemical potential. We suggest a method to quantify the statistical error of the overlap improving multi-parameter reweighting technique which we use to extend the equation of state for non-vanishing chemical potentials. The results are obtained on the line of constant physics and our physical parameters extend in temperature and baryon chemical potential upto ≈ 500-600 MeV. The continuum limit still must be taken and the quark mass reduced, to avoid potentially large systematic errors.

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Equation of state at finite temperature and chemical potential, lattice QCD results

Abstract

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