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arXiv 2209.08121hep-thcond-mat.str-el
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厚膜与薄膜相交的物理学

The physics of intersecting thick to thin branes

Jose L. Paulino, Francisco A. Brito

摘要:

我们通过域壁模拟四维连接点,这些连接点是由生活在高维时空中的一维膜的交叉点组成的。我们把一个新的眼光在膜结上的局部费米子状态的问题,作为一个厚膜相交到其他足够薄的结果。所有的膜正交相交,形成一个四维结嵌入在一个更高的维度块。我们讨论了汤川耦合和质子衰变对控制结稳定性和膜厚度的参数的限制的影响,这些参数也定义了体宇宙学常数。

英文摘要:

We model four-dimensional junctions made out of intersections of co-dimension one brane living in higher-dimensional spacetimes through domain walls. We take a new look at the problem of localizing fermion states on brane junctions as a result of intersecting one thick brane to others sufficiently thin. All the branes intersect orthogonally to form a four-dimensional junction embedded in a higher-dimensional bulk. We discuss the effects of the Yukawa coupling and the proton decay on the restriction of the parameters that control the junction stability and the brane thickness which also define the bulk cosmological constant.

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