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arXiv nucl-th/0209033nucl-th
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夸克物质中夸克的谱函数

Spectral Functions of Quarks in Quark Matter

Frank Froemel, Stefan Leupold, Ulrich Mosel

摘要:

我们提出了一个简单的方法,虽然自洽无限夸克物质中的轻夸克的光谱函数。利用关联函数与碰撞率之间的关系,迭代计算谱函数。夸克相互作用用SU(2)Nambu-Jona-Lasinio模型描述。在零温度下的手性恢复相进行计算。

英文摘要:

We present a simple albeit self-consistent approach to the spectral function of light quarks in infinite quark matter. Relations between correlation functions and collision rates are used to calculate the spectral function in an iterative procedure. The quark interactions are described by the SU(2) Nambu--Jona-Lasinio model. Calculations were performed in the chirally restored phase at zero temperature.

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