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arXiv 2104.00747hep-ph
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小分裂SUSY中的引力波

Gravitational Waves from Mini-Split SUSY

Bartosz Fornal, Barmak Shams Es Haghi, Jiang-Hao Yu, Yue Zhao

摘要:

我们发现,在超对称性的小分裂(SUSY)的情况下,在高温下可能会出现色裂真空。这可能导致一个非平凡的宇宙历史的宇宙,包括强烈的一阶相变和畴壁的生产。考虑到与Mini-Split SUSY模型相关的典型PeV能量标度,预计在1 kHz左右的频率处存在随机引力波背景。我们研究了在未来的引力波实验中探测这种信号的可能性。

英文摘要:

We show that color-breaking vacua may develop at high temperature in the Mini-Split Supersymmetry (SUSY) scenario. This can lead to a nontrivial cosmological history of the Universe, including strong first order phase transitions and domain wall production. Given the typical PeV energy scale associated with Mini-Split SUSY models, a stochastic gravitational wave background at frequencies around 1 kHz is expected. We study the potential for detection of such a signal in future gravitational wave experiments.

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