有限密度和温度下的弦NJL和Gross-Neveu模型
Stringy NJL and Gross-Neveu models at finite density and temperature
摘要：
Nambu-Jona-Lasinio和Gross-Neveu模型的非定域弦形式出现在全息QCD的一定极限中。我们分析了在有限的密度和温度在强耦合的引力对偶探测膜的相结构。与局部场论模型的相结构的比较表明，定性的协议与某些方面，和不同意与其他人。最后，我们解释了如何构造这些模型的朗道势采取探测膜的外壳。
英文摘要：
Nonlocal stringy versions of the Nambu-Jona-Lasinio and Gross-Neveu models arise in a certain limit of holographic QCD. We analyze the phase structure at finite density and temperature at strong coupling in terms of probe branes in the gravity dual. Comparison with the phase structure of the local field theory models shows qualitative agreement with some aspects, and disagreement with others. Finally, we explain how to construct the Landau potentials for these models by taking the probe branes off-shell.
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