磁化率中的非费米液体效应
Non-Fermi-liquid effect in magnetic susceptibility
摘要：
考虑到夸克在横向胶子传播子中的动态屏蔽效应所引起的反常自能，我们详细研究了磁化率的温度依赖性。结果表明，在磁化率中不存在不同于比热的$T\ln T$项，而是出现了反常的$T^2\ln T$项，这是一种新的非费米液体效应.
英文摘要：
Taking into account the anomalous self-energy for quarks due to the dynamic screening effect for the transverse gluon propagator, we study the temperature dependence of the magnetic susceptibility in detail. It is shown that there does not exist the $T\ln T$ term in the susceptibility, different from the specific heat, but an anomalous $T^2\ln T$ term arises instead as a novel non-Fermi-liquid effect.
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