失控畴壁与时空变化α
Runaway Domain Wall and Space-time Varying alpha
摘要：
最近的空间以及时间变化的精细结构常数α已被报道。我们表明，“失控畴壁”，这是出现的标量场潜力没有最小值，可以同时考虑到这样的变化。时间变化是由失控电位引起的，空间变化是由畴壁的形成引起的。该模型与当前的宇宙学数据是一致的，可以通过未来的实验来检验等效原理。
英文摘要：
Recently spatial as well as temporal variations of the fine structure constant alpha have been reported. We show that a "runaway domain wall", which arises for the scalar field potential without minima, can account for such variations simultaneously. The time variation is induced by a runaway potential and the spatial variation is induced by the formation of a domain wall. The model is consistent with the current cosmological data and can be tested by the future experiments to test the equivalence principle.
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