Lattice QCD thermodynamic results with improved staggered fermions

被引：3

作者：

Schmidt, Christian ^{[1
]}

机构：

[1] Univ Bielefeld, Fak Phys, D-33615 Bielefeld, Germany

来源：

EUROPEAN PHYSICAL JOURNAL C | 2009年 / 61卷 / 04期

关键词：

HEAVY-ION COLLISIONS; CONTINUUM-LIMIT; FREEZE-OUT;

D O I：

10.1140/epjc/s10052-009-0882-9

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We present results on the QCD equation of state, obtained with two different improved dynamical staggered fermion actions and almost physical quark masses. Lattice cut-off effects are discussed in detail as results for three different lattice spacings are available now, i.e. results have been obtained on lattices with temporal extent of N (tau) =4,6 and 8. Furthermore we discuss the Taylor expansion approach to non-zero baryon chemical potential and present the isentropic equation of state on lines of constant entropy per baryon number.

引用

页码：537 / 543

页数：7

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