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首页> 外文期刊>European physical journal >Chiral susceptibility and chiral phase transition in?Nambu–Jona-Lasinio model
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Chiral susceptibility and chiral phase transition in?Nambu–Jona-Lasinio model

机译:Nambu–Jona-Lasinio模型中的手性敏感性和手性相变

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We give a general relation between the chiral susceptibility and the thermodynamical potential and a relation between the chiral susceptibility and the condition for furcations to appear in the Wigner solution(s) in the Nambu–Jona-Lasinio (NJL) model. We find that the chiral susceptibility is a quantity able to represent the appearance of furcation in the solution(s) of the gap equation and the concavo–convexity of the thermodynamical potential in the NJL model. It indicates that the chiral susceptibility can identify the stability of the states and the chiral phase transition in NJL model. We propose that analyzing the chiral susceptibility may play an important role in studying the chiral phase transition in approaches superior to the NJL model.
机译:我们给出了Nambu–Jona-Lasinio(NJL)模型中Wigner溶液中手性敏感性与热力学势之间的一般关系以及手性敏感性与分叉条件之间的关系。我们发现手性敏感性是一个能够代表间隙方程解中分叉的出现和NJL模型中热力学势的凹凸性质的量。这表明手性磁化率可以识别NJL模型中状态的稳定性和手性相变。我们建议,分析手性敏感性可能在研究手性相转变方面起优于NJL模型的作用。

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