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高能理论论坛 (HETH-Forum)

Nonlinear evolution of the curvature perturbation and its applications

by Prof. 皮 石

Asia/Shanghai
图书馆楼319

图书馆楼319

Description

摘要:Nonlinear evolution on superhorizon scales is an important origin of the non-Gaussianity of the curvature perturbation in the inflationary universe. Such nonlinear effect can be described non-perturbatively by the separate universe approach and δN formalism, which paves the way for the stochastic inflation. In this talk I will briefly review the recent progress in this field, as well as its application in the primordial black hole formation.

个人简介:皮石,中国科学院理论物理研究所研究员、博士生导师。2013年于北京大学物理学院取得博士学位,之后在韩国APCTP、中国科学院理论物理研究所、京都大学YITP、东京大学IPMU进行博士后研究。2020年起在中国科学院理论物理研究所工作。主要从事宇宙学微扰论、暴胀宇宙学、背景引力波、原初黑洞物理方面的研究。近年来在PRL, JCAP, PRD等国际学术期刊上发表论文40余篇,被引用 3000 余次。自2024年起入选爱思唯尔全球前2%顶尖学者榜单。担任JCAP、Chinese Physics C等期刊的编委。