论文标题
通过相对论气泡壁具有可观察的引力波的诱导生成和暗物质
Leptogenesis and Dark Matter Through Relativistic Bubble Walls with Observable Gravitational Waves
论文作者
论文摘要
我们研究了一种场景，即导致瘦肉发生的暗物质和重型右手中微子（RHN）通过跨越了TEV量表超冷的一级相变（FOPT）而形成的相对论气泡壁，从而获得质量。尽管这导致气泡内部充足的右中微子足以产生所需的Lepton不对称性，但较轻的暗物质仍然可以保持平衡，但通过随后的热冷冻量设置其遗物。经典的共形对称性确保通过单线标量引起的FOPT来确保质量的起源，同时还确保过冷，从而在Lisa实验的灵敏度内增强重力波幅度。具有三个RHN，一个惰性标量双线和一个Singlet标量的最小情况，因为超出标准模型以外的其他字段，足以实现这种可能性，这种可能性也支持惰性rhn暗物质，而不是惰性标量双线。
We study a scenario where both dark matter and heavy right handed neutrino (RHN) responsible for leptogenesis acquire masses by crossing the relativistic bubble walls formed as a result of a TeV scale supercooled first order phase transition (FOPT). While this leads to a large out-of-equilibrium abundance of right handed neutrino inside the bubble sufficient to produce the required lepton asymmetry, the dark matter being lighter can still remain in equilibrium with its relic being set by subsequent thermal freeze-out. A classical conformal symmetry ensures the origin of mass via FOPT induced by a singlet scalar while also ensuring supercooling leading to enhanced gravitational wave amplitude within the sensitivity of the LISA experiment. A minimal scenario with three RHN, one inert scalar doublet and one singlet scalar as additional fields beyond the standard model is sufficient to realize this possibility which also favours inert RHN dark matter over inert scalar doublet.
