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arXiv 1402.0733hep-th
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关于具有非阿贝尔模的Abrikosov弦的进一步讨论

More on the Abrikosov Strings with Non-Abelian Moduli

M. Shifman, Gianni Tallarita, A. Yung

摘要:

我们继续探索变形Abrikosov-Nielsen-Olesen(ANO)弦,与非阿贝尔模的世界表。在一个简单的模型与额外的领域,我们发现经典稳定的ANO和非阿贝尔字符串。后者的张力比ANO弦的张力低百分之几。然后计算了插值场的位形。一旦发现扭结质量$M_k$和张力差$ΔT$,我们计算了具有较高张力的ANO弦(“假真空”)通过准经典近似中的“气泡”形成到具有较低张力的非阿贝尔弦(“真真空”)的衰减速率。

英文摘要:

We continue explorations of deformed Abrikosov-Nielsen-Olesen (ANO) strings, with non-Abelian moduli on the world sheet. In a simple model with an extra field we find classically stable ANO and non-Abelian strings. The tension of the latter is a few percent lower than the tension of the ANO string. Then we calculate the interpolating field configuration. Once the kink mass $M_k$ and the difference of tensions $ΔT$ are found we calculate the decay rate of the ANO string with a higher tension ("false vacuum") into the non-Abelian string with the lower tension ("genuine vacuum") through the "bubble" formation in the quasiclassical approximation.

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