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arXiv 1004.4078hep-thhep-ph
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定域在四维世界体积壁上的非阿贝尔规范场

Non-Abelian Gauge Field Localized on Walls with Four-Dimensional World Volume

Kazutoshi Ohta, Norisuke Sakai

摘要:

本文提出了一种利用位置相关规范耦合局域化五维时空畴壁非阿贝尔规范场的机制。低能有效理论拥有一个无质量的矢量场和一个质量间隙。四维规范不变性保持不变。我们微扰地得到了畴壁上静态源的四维库仑定律。在U(1)xU(1)超对称规范理论与非阿贝尔规范场仅通过立方预势耦合的情况下,构造了具有局域化机制的BPS畴壁解,这与五维时空中超对称性的一般原理是一致的.

英文摘要:

A mechanism using the position-dependent gauge coupling is proposed to localize non-Abelian gauge fields on domain walls in five-dimensional space-time. Low-energy effective theory posseses a massless vector field, and a mass gap. The four-dimensional gauge invariance is maintained intact. We obtain perturbatively the four-dimensional Coulomb law for static sources on the domain wall. BPS domain wall solutions with the localization mechanism are explicitly constructed in the U(1)xU(1) supersymmetric gauge theory coupling to the non-Abelian gauge fields only through the cubic prepotential, which is consistent with the general principle of supersymmetry in five-dimensional space-time.

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