简并夸克 - 胶子等离子体的硬热圈重整化压强
Hard-thermal-loop resummed pressure of a degenerate quark-gluon plasma.
作者信息
Baier R, Redlich K
机构信息
Fakultat fur Physik, Universitat Bielefeld, Postfach 10 01 31, D-33501 Bielefeld, Germany.
出版信息
Phys Rev Lett. 2000 Mar 6;84(10):2100-3. doi: 10.1103/PhysRevLett.84.2100.
PMID:11017218
Abstract
We compute the pressure of a finite-density quark-gluon plasma at zero temperature to leading order in hard-thermal-loop perturbation theory, which includes the fermionic excitations and Landau damping. The result is compared with the weak-coupling expansion for finite positive chemical potential &mgr; through order alpha(2)(s) and with a quasiparticle model with a mass depending on &mgr;.
摘要
我们在硬热圈微扰理论中计算零温度下有限密度夸克 - 胶子等离子体的压力至领头阶，该理论包含费米子激发和朗道阻尼。将结果与有限正化学势μ下至α₂(s)阶的弱耦合展开以及质量依赖于μ的准粒子模型进行比较。
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