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arXiv 1208.6341hep-thgr-qc
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非轴对称baby-skyrmion膜

Non-axisymmetric baby-skyrmion branes

Térence Delsate, Masahiro Hayasaka, Nobuyuki Sawado

摘要:

研究了6维baby-Skyrme膜模型非轴对称解的存在性。膜被描述为一个本地化的解决方案的婴儿Skyrme模型扩展到额外的维度。这种非对称膜已经在平坦空间中的2+1维baby-Skyrme模型中构造出来了。我们将这一结果推广到引力婴儿Skyrme的情况下,并在额外的维度。这些从轴对称形状的非平凡变形出现在拓扑荷的较高值时,因此我们考虑$B=3,4$的情况,其中$B$是拓扑荷。用超松弛法求解了耦合的Einstein方程和baby-Skyrme方程。我们认为,这一结果可能是一个可能的解决方案的费米子质量等级之谜。

英文摘要:

We investigate the existence of non axisymmetric solutions in the 6-dimensional baby-Skyrme brane model. The brane is described by a localized solution to the baby-Skyrme model extending in the extra dimensions. Such non symmetric branes have already been constructed in the original 2+1-dimensional baby-Skyrme model in flat space. We generalize this result to the case of gravitating baby-Skyrme and in the context of extradimensions. These non-trivial deformation from the axisymmetric shape appear for higher values of the topological charge, so we consider the cases of $B=3,4$, where $B$ is the topological charge. We solve the coupled system of the Einstein and baby-Skyrme equations by successive over relaxation method. We argue that the result may be a possible resolution for the fermion mass hierarchy puzzle.

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