KEK 素粒子原子核研究所・理論セミナー(百武 慶文氏)

 
分類理論セミナー
開始2019/01/18(金)13:30
終了2019/01/18(金)14:30
会場研究本館1階 第一会議室
講演タイトルInflationary Cosmology via Quantum Corrections in M-theory
講演者茨城大学 准教授 百武 慶文氏
言語英語/English
連絡先芝暢郎/nshiba-AT-post.kek.jp
ウェブサイト
食堂・売店利用予定なし/0

概要

Inflation is a promising scenario to resolve problems of big bang cosmology, such as horizon problem. Although there are a lot of models which realize the inflation, it is natural to explain it in the framework of quantum gravity. In this talk, we consider 11 dimensional M-theory, which consists of the 11 dimensional supergravity and quartic terms of the Weyl tensor, as the theory of quantum gravity, and investigate inflationary cosmology by analyzing the effective action of the M-theory. We will show that the classical solution of the 11 dimensional supergravity does not represent the inflationary expansion, but if we include the quantum corrections, the behavior of the solution around the very early time is modified and the inflationary scenario is realized.

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