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arXiv 1107.1889hep-th
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Nambu-Jona-Lasinio模型中的畴壁

Domain Wall in Nambu-Jona-Lasinio Model

Sergii Kutnii

摘要:

NJL间隙方程的近似,在我们以前的论文中开发的,使我们能够调查真空不均匀性的平均场方法。最简单的情况下的畴壁进行了彻底的研究。明确地解决了在处理费米子与畴壁相互作用时出现的Jackiw-Rebbi问题,并描述了整个束缚态谱。在我们的假设下,畴壁不存在束缚态,但高阶修正可能使它们出现。因此,畴壁夸克束缚态的存在可能是对QCD细微特征的一个很好的检验。

英文摘要:

The approximation for the NJL gap equation that was developed in our previous paper allows us to investigate vacuum inhomogeneities in the mean field approach. The simplest case of a domain wall is studied thoroughly. The Jackiw-Rebbi problem which arises in treatment of the fermions' interaction with the domain wall is solved explicitly and the entire spectrum of bound states is described. It is estabilished that under our assumptions no bound states exist at the domain wall, however higher-order corrections may make them appear. Thus existence of the quark bound states at domain walls may be a good test for subtle features of QCD.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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