分裂势和逃逸势的畴壁动力学
Dynamics of Domain Walls for Split and Runaway Potentials
摘要：
我们证明了壁状不均匀性的演变在失控的潜力，动力学超对称性破缺和模量稳定的特点，是非常相似的域壁网络与双阱势的演变。不稳定性，将导致域壁的快速衰减可以显着改善的补偿效应之间的非简并的真空和偏置的初始分布，这可以很自然地预期在一个广泛的类或粒子物理模型，导致出平衡相变。在这个框架内，它是可能的，以获得畴壁，生活足够长的时间是相关的宇宙功率谱和星系集群，同时与所观察到的宇宙微波背景各向异性兼容。
英文摘要：
We demonstrate that the evolution of wall-like inhomogeneities in run-away potentials, characteristic of dynamical supersymmetry breaking and moduli stabilisation, is very similar to the evolution of domain wall networks associated with double well potentials. Instabilities that would lead to a rapid decay of domain walls can be significantly ameliorated by compensation effects between a non-degeneracy of the vacua and a biased initial distribution, which can be naturally expected in a wide class or particle physics models that lead to out-of-equilibrium phase transitions. Within this framework, it is possible to obtain domain walls that live long enough to be relevant for the cosmic power spectrum and galaxy clustering, while being compatible with the observed cosmic microwave background anisotropies.
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