论文标题
通货膨胀引力诱导
Inflationary Gravitational Leptogenesis
论文作者
论文摘要
我们考虑在重新加热过程中通过重力散射产生的右手中微子的模型中的重子不对称。右撇子中微子后来衰减并产生轻子不对称，该中微子通过标准模型SPHALERON过程部分转化为Baryon不对称性。我们发现，可以为广泛的右中微子肿块和加热温度产生足够的不对称性。我们还表明，相同类型的引力散射会产生标准模型Higgs玻色子，这可以实现与生产Baryon不对称性一致的通货膨胀加热。
We consider the generation of the baryon asymmetry in models with right-handed neutrinos produced through gravitational scattering of the inflaton during reheating. The right-handed neutrinos later decay and generate a lepton asymmetry, which is partially converted to a baryon asymmetry by Standard Model sphaleron processes. We find that a sufficient asymmetry can be generated for a wide range of right-handed neutrino masses and reheating temperatures. We also show that the same type of gravitational scattering produces Standard Model Higgs bosons, which can achieve inflationary reheating consistent with the production of a baryon asymmetry.
