Equation of state at finite baryon density based on lattice QCD

被引：14

作者：

Huovinen, Pasi ^{[1
]}

Petreczky, Peter ^{[2
]}

机构：

[1] Goethe Univ Frankfurt, Inst Theoret Phys, D-60438 Frankfurt, Germany

[2] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

来源：

JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS | 2011年 / 38卷 / 12期

关键词：

FLOW;

D O I：

10.1088/0954-3899/38/12/124103

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

We employ the lattice QCD data on Taylor expansion coefficients to extend our previous parametrization of the equation of state to finite baryon density. When we take into account lattice spacing and quark mass dependence of the hadron masses, the Taylor coefficients at low temperature are equal to those of hadron resonance gas. Thus, the equation of state is smoothly connected to the hadron resonance gas equation of state at low temperatures. We also show how the elliptic flow is affected by this equation of state at the maximum SPS energy.

引用

页数：4

共 8 条

[1]

Bazavov Alexei, 2010, Journal of Physics: Conference Series, V230, DOI 10.1088/1742-6596/230/1/012014

[2] Baryon number, strangeness, and electric charge fluctuations in QCD at high temperature [J].

Cheng, M. ;

Hegde, P. ;

Jung, C. ;

Karsch, F. ;

Kaczmarek, O. ;

Laermann, E. ;

Mawhinney, R. D. ;

Miao, C. ;

Petreczky, P. ;

Schmidt, C. ;

Soeldner, W. .

PHYSICAL REVIEW D, 2009, 79 (07)

[3] Anisotropy of flow and the order of phase transition in relativistic heavy ion collisions [J].

Huovinen, P .

NUCLEAR PHYSICS A, 2005, 761 (3-4) :296-312

[4]

Huovinen Pasi, 2010, Journal of Physics: Conference Series, V230, DOI 10.1088/1742-6596/230/1/012012

[5] QCD equation of state and hadron resonance gas [J].

Huovinen, Pasi ;

Petreczky, Peter .

NUCLEAR PHYSICS A, 2010, 837 (1-2) :26-53

[6]

Jones PG, 1996, NUCL PHYS A, V610, pC188

[7] Elliptic flow at SPS and RHIC: from kinetic transport to hydrodynamics [J].

Kolb, PF ;

Huovinen, P ;

Heinz, U ;

Heiselberg, H .

PHYSICS LETTERS B, 2001, 500 (3-4) :232-240

[8]

Miao C, 2008, POS LAT2008, V2008, P172

← 1 →