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Numerical study of the equation of state for two flavor QCD at finite density / S. Ejiri, E. Laermann, F. Karsch, C. Schmidt, S.J. Hands, O. Kaczmarek, Chris Allton

Pages: 408 - 412

Swansea University Author: Chris Allton

Abstract

We discuss the equation of state for 2 flavor QCD at non-zero temperature and density. Derivatives of $\ln Z$ with respect to quark chemical potential $\mu_q$ up to fourth order are calculated, enabling estimates of the pressure, quark number density and associated susceptibilities as functions of $...

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Published: 2003
Online Access: http://inspirehep.net/record/629443
URI: https://cronfa.swan.ac.uk/Record/cronfa28453
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spelling 2016-08-08T12:20:26.8289593 v2 28453 2016-06-02 Numerical study of the equation of state for two flavor QCD at finite density de706a260fa1e1e47430693e135f41c7 0000-0003-0795-124X Chris Allton Chris Allton true false 2016-06-02 SPH We discuss the equation of state for 2 flavor QCD at non-zero temperature and density. Derivatives of $\ln Z$ with respect to quark chemical potential $\mu_q$ up to fourth order are calculated, enabling estimates of the pressure, quark number density and associated susceptibilities as functions of $\mu_q$ via a Taylor series expansion. It is found that the fluctuations in the quark number density increase in the vicinity of the phase transition temperature and the susceptibilities start to develop a pronounced peak as $\mu_q$ is increased. This suggests the presence of a critical endpoint in the $(T, \mu_q)$ plane. Conference Paper/Proceeding/Abstract 408 412 31 12 2003 2003-12-31 http://inspirehep.net/record/629443 COLLEGE NANME Physics COLLEGE CODE SPH Swansea University 2016-08-08T12:20:26.8289593 2016-06-02T15:06:11.1304968 College of Science Physics S. Ejiri 1 E. Laermann 2 F. Karsch 3 C. Schmidt 4 S.J. Hands 0000-0001-5720-7852 5 O. Kaczmarek 6 Chris Allton 0000-0003-0795-124X 7
title Numerical study of the equation of state for two flavor QCD at finite density
spellingShingle Numerical study of the equation of state for two flavor QCD at finite density
Chris, Allton
title_short Numerical study of the equation of state for two flavor QCD at finite density
title_full Numerical study of the equation of state for two flavor QCD at finite density
title_fullStr Numerical study of the equation of state for two flavor QCD at finite density
title_full_unstemmed Numerical study of the equation of state for two flavor QCD at finite density
title_sort Numerical study of the equation of state for two flavor QCD at finite density
author_id_str_mv de706a260fa1e1e47430693e135f41c7
author_id_fullname_str_mv de706a260fa1e1e47430693e135f41c7_***_Chris, Allton
author Chris, Allton
author2 S. Ejiri
E. Laermann
F. Karsch
C. Schmidt
S.J. Hands
O. Kaczmarek
Chris Allton
format Conference Paper/Proceeding/Abstract
container_start_page 408
publishDate 2003
institution Swansea University
college_str College of Science
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hierarchy_top_id collegeofscience
hierarchy_top_title College of Science
hierarchy_parent_id collegeofscience
hierarchy_parent_title College of Science
department_str Physics{{{_:::_}}}College of Science{{{_:::_}}}Physics
url http://inspirehep.net/record/629443
document_store_str 0
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description We discuss the equation of state for 2 flavor QCD at non-zero temperature and density. Derivatives of $\ln Z$ with respect to quark chemical potential $\mu_q$ up to fourth order are calculated, enabling estimates of the pressure, quark number density and associated susceptibilities as functions of $\mu_q$ via a Taylor series expansion. It is found that the fluctuations in the quark number density increase in the vicinity of the phase transition temperature and the susceptibilities start to develop a pronounced peak as $\mu_q$ is increased. This suggests the presence of a critical endpoint in the $(T, \mu_q)$ plane.
published_date 2003-12-31T03:44:10Z
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