Fate of Electroweak Vacuum during Preheating
作者： Kazunori Nakayama , Yohei Ema , Kyohei Mukaida
DOI: 10.1088/1475-7516/2016/10/043
关键词:
摘要: Our electroweak vacuum may be metastable in light of the current experimental data Higgs/top quark mass. If this is really case, high-scale inflation models require a stabilization mechanism our during inflation. A possible candidate Higgs-inflaton/-curvature coupling because it induces an additional mass term to Higgs slow roll regime. However, after inflation, oscillates, and can potentially destabilize via production large fluctuations inflaton oscillation era. In paper, we study whether or not save by properly taking account preheating stage. We put upper bounds on coupling, discuss dynamics that might relax them.
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