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arXiv 0907.3841hep-ph
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准粒子模型中胶子等离子体的粘性

Viscosities in the Gluon-Plasma within a Quasiparticle Model

M. Bluhm, B. Kampfer, K. Redlich

摘要:

一个唯象准粒子模型,以动态产生的激发模自能为特征,成功地描述了格点量子色动力学结果,包括零和非零重子密度下的QCD状态方程和相关量.在这里,这个模型被扩展到一个有效的动力学理论的方法内研究体和剪切粘度的胶子等离子体。以这种方式,所采用的准粒子的ANESTRUCTURES与强耦合退禁闭胶子介质的表观低粘度的兼容性。

英文摘要:

A phenomenological quasiparticle model, featuring dynamically generated self-energies of excitation modes, successfully describes lattice QCD results relevant for the QCD equation of state and related quantities both at zero and non-zero net baryon density. Here, this model is extended to study bulk and shear viscosities of the gluon-plasma within an effective kinetic theory approach. In this way, the compatibility of the employed quasiparticle ansatz with the apparent low viscosities of the strongly coupled deconfined gluonic medium is shown.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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