Dynamical fermions at non-Zero chemical potential and temperature: Mean field approach

Dynamical fermions at non-Zero chemical potential and temperature: Mean field approach
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非零化学势和温度下的动态费米子:平均场方法

DOI:
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发表时间:
1985
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影响因子:
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通讯作者:
J. Kripfganz
J. Kripfganz
中科院分区:
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文献类型:
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作者:
E. Ilgenfritz;J. Kripfganz

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我们导出了一个描述威尔逊线与夸克双线耦合的强耦合有效拉格朗日量。在平均场近似下研究了Wilson线和动力学夸克质量。在化学势μ为零时,发现了一个二级有限温度手征相变。对于μ π ι 0,该跃迁变为一阶跃迁。
We derive a strong coupling effective Lagrangian describing Wilson lines coupled to quark bilinears. Wilson line and dynamical quark mass are studied in mean field approximation. A second-order finite-temperature chiral phase transition is found at zero chemical potential μ. For μ≠0 this transition becomes a first-order one.