有限化学势下单环校正的热力学状态方程

IF 1.5 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Brazilian Journal of Physics Pub Date : 2024-10-15 DOI:10.1007/s13538-024-01615-7
S. Somorendro Singh
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引用次数: 0

摘要

我们评估了有限化学势下单圈修正的热力学状态方程(EOS)。由于一环修正中化学势的存在,夸克-胶子等离子体(QGP)气泡/液滴的形成发生了变化,这种化学势对 EOS 的评估产生了影响。特别研究了夸克和胶子参数化值({\gamma }_{q} = 1/8)和(12{\gamma }_{q} \le {\gamma }_{g} \le 16{\gamma }_{q})的影响,在这些参数化值上可以得到平衡气泡/液滴的大小。研究表明,存在化学势的夸克流体、反夸克流体和胶子流体的动力学EOS结果比之前不存在化学势的热力学EOS结果要好。这意味着在夸克-胶子等离子体的气泡/液滴形成过程中,化学势的单圈修正效应不容忽视,而且这种化学势可以表明在早期宇宙形成过程中存在大量的电荷粒子。
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Thermodynamic Equation of State Under One Loop Correction at Finite Chemical Potential

We evaluate thermodynamic equation of state (EOS) under one loop correction at finite chemical potential. Due to the presence of the chemical potential in the one loop correction, there is change in formation of bubble/droplet of quark-gluon plasma (QGP) and this chemical potential has the effect on the evaluation of EOS. The effect is particularly studied at the values of quark and gluon parametrization \({\gamma }_{q} = 1/8\) and \(12{\gamma }_{q} \le {\gamma }_{g} \le 16{\gamma }_{q}\) at which the equilibrating bubbles/droplets sizes are obtained. The study indicates that the dynamics of the quark, anti-quark, and gluon fluids with the presence of chemical potential improves the results of the EOS from the earlier result of thermodynamic EOS without the chemical potential. It means that the effect of chemical potential in one loop correction cannot be neglected in the bubble/droplet formation of quark-gluon plasma and this chemical potential can signify the presence of a large number of charge particles in the earlier universe formation.

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来源期刊
Brazilian Journal of Physics
Brazilian Journal of Physics 物理-物理:综合
CiteScore
2.50
自引率
6.20%
发文量
189
审稿时长
6.0 months
期刊介绍: The Brazilian Journal of Physics is a peer-reviewed international journal published by the Brazilian Physical Society (SBF). The journal publishes new and original research results from all areas of physics, obtained in Brazil and from anywhere else in the world. Contents include theoretical, practical and experimental papers as well as high-quality review papers. Submissions should follow the generally accepted structure for journal articles with basic elements: title, abstract, introduction, results, conclusions, and references.
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