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arXiv 1503.07260hep-phcond-mat.quant-gashep-thnucl-th
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具有有效质量的胶子输运方程和玻色-爱因斯坦凝聚的动力学起始

Gluon Transport Equation with Effective Mass and Dynamical Onset of Bose-Einstein Condensation

Jean-Paul Blaizot, Yin Jiang, Jinfeng Liao

摘要:

在小散射角近似下,考虑介质生成的胶子有效质量,研究了描述稠密胶子系统的输运方程。我们专注于人口过多的系统,驱动到玻色-爱因斯坦凝聚的热化的方式的情况下。质量的存在修改的胶子的色散关系,相比无质量的情况下,但它表明,这不会改变定性的标度行为在附近的发病。

英文摘要:

We study the transport equation describing a dense system of gluons, in the small scattering angle approximation, taking into account medium-generated effective masses of the gluons. We focus on the case of overpopulated systems that are driven to Bose-Einstein condensation on their way to thermalization. The presence of a mass modifies the dispersion relation of the gluon, as compared to the massless case, but it is shown that this does not change qualitatively the scaling behavior in the vicinity of the onset.

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