弱引力猜想禁止混沌膨胀
Eternal Chaotic Inflation is Prohibited by Weak Gravity Conjecture
摘要：
我们研究了在弱引力猜想的作用下是否能实现永恒的混沌暴胀。我们证明了，即使是辅助混沌膨胀与潜在的$λϕ^4$或$m^2ϕ^2$不能永恒。有效场论对暴胀子场的描述在暴胀达到永恒状态之前就失效了。我们还发现，对于辅助暴胀，e折叠的总数仍然受到暴胀熵的限制。
英文摘要：
We investigate whether the eternal chaotic inflation can be achieved when the weak gravity conjecture is taken into account. We show that even the assisted chaotic inflation with potential $λϕ^4$ or $m^2ϕ^2$ can not be eternal. The effective field theory description for the inflaton field breaks down before inflation reaches the eternal regime. We also find that the total number of e-folds is still bounded by the inflationary entropy for the assisted inflation.
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