2017-05-22

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[[UTAPwiki/セミナー/初期宇宙・相対論速報]]
Speaker: Yi-Peng Wu (RESCEU)
Title: On loops in inflation: Can these corrections become large?
Abstract:
In next Monday I would like to talk about loop corrections to the curvature perturbation
in the single-field inflation paradigm, where we intend to draw a new perspective to 
Weinberg's question: "Can loop corrections become large?" [hep-th/0605244].
I will introduce a special in-in formalism to show that the loop-contribution may be more 
important than the previous conclusion due to the transition of vacuum expectation 
values of spectator fields during inflation.

&br;