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Quark potential in a quark–meson plasma

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 07 Oct 2008Embargo end date: 01 Jan 2008 English Publisher:Springer Science and Business Media LLCJournal:The European Physical Journal C, volume 58, pages 271-279 (issn: 1434-6044, eissn: 1434-6052,

Authors: Chengfu Mu; P. Zhuang;

doi: 10.1140/epjc/s10052-008-0727-y , 10.48550/arxiv.0803.0581

arXiv: http://arxiv.org/abs/0803.0581

Quark potential in a quark–meson plasma

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Abstract

We investigate quark potential by considering meson exchanges in the two flavor Nambu--Jona-Lasinio model at finite temperature and density. There are two kinds of oscillations in the chiral restoration phase, one is the Friedel oscillation due to the sharp quark Fermi surface at high density, and the other is the Yukawa oscillation driven by the complex meson poles at high temperature. The quark-meson plasma is strongly coupled in the temperature region $1\le T/T_c \lesssim 3$ with $T_c$ being the critical temperature of chiral phase transition. The maximum coupling in this region is located at the critical point.

8 pages and 8 figures

Related Organizations

Tsinghua University
China (People's Republic of)
Tsinghua University
China (People's Republic of)

Keywords

Nuclear Theory (nucl-th), Nuclear Theory, FOS: Physical sciences

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