ISS-flation

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国际空间站通货膨胀

DOI:
10.1088/1126-6708/2008/02/059
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发表时间:
2008
期刊:
--
影响因子:
--
通讯作者:
Nathaniel J. Craig
Nathaniel J. Craig
中科院分区:
--
文献类型:
--
作者:
Nathaniel J. Craig

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暴胀可能发生在大质量超对称QCD的亚稳超对称破缺真空中。我们探讨的参数范围内的慢卷膨胀和长寿命的亚稳态超对称性破缺可能同时实现。在这种背景下,慢卷暴胀的结束与全局对称性的自发破缺相吻合,这可能会通过不均匀的预热引起显著的曲率扰动。在暴胀结束时,这种自发的对称性破缺可能会产生可观察到的非高斯性,将这种情况与更传统的超对称混合暴胀模型区分开来。
Inflation may occur while rolling into the metastable supersymmetry-breaking vacuum of massive supersymmetric QCD. We explore the range of parameters in which slow-roll inflation and long-lived metastable supersymmetry breaking may be simultaneously realized. The end of slow-roll inflation in this context coincides with the spontaneous breaking of a global symmetry, which may give rise to significant curvature perturbations via inhomogenous preheating. Such spontaneous symmetry breaking at the end of inflation may give rise to observable non-gaussianities, distinguishing this scenario from more conventional models of supersymmetric hybrid inflation.
DOI: --
发表时间: 2007
期刊: JHEP 0707
影响因子: --
作者:
N.Hasebe;M.Hareyama;K.Sakurai et al.;T. Matsuda;T. Matsuda;T. Matsuda;T. Matsuda;T. Matsuda
通讯作者: T. Matsuda