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TTbar Deformation of Stress-Tensor Correlators from Random Geometry

发布日期:2021-02-02     作者:物理学院      编辑:苏璇     点击:

报告题目:TTbar Deformation of Stress-Tensor Correlators from Random Geometry

报告人: Masaki Shigemori

报告时间:2021年2月4日(星期四)15:00(北京时间)

报告地点:吉林大学前卫校区物理楼302,在线报告(ZOOM ID:853 2865 4803 Passcode: 369963)

报告摘要:We study stress-tensor correlators in the TTbar-deformed conformalfield theories in two dimensions. Using the random geometry approach to theTTbar deformation, we develop a geometrical method to compute stress-tensorcorrelators. More specifically, we derive the TTbar deformation to thePolyakov-Liouville conformal anomaly action and calculate three and four-pointcorrelators to the first-order in the TTbar deformation from the deformedPolyakov-Liouville action. The results are checked against the standardconformal perturbation theory computation and we further check consistency withthe TTbar-deformed operator product expansions of the stress tensor. A salientfeature of the TTbar-deformed stress-tensor correlators is a logarithmiccorrection that is absent in two and three-point functions but starts appearingin a four-point function. This talk is based on arxiv: 2012.03972.

报告人简介:

Career trajectory:

2004: PhD at UCLA

2004-2010 postdoc positions at Caltech and Amsterdam U

2010-2013: Designated Assistant Professor, Nagoya University,Japan

2013-2016: Designated Associate Professor, Kyoto University, Japan

2016-2018: Lecturer, Queen Mary University of London, UK

2018- : Designated Professor, Nagoya University, Japan

Research interests:

String theory, quantum field theory, black holes

举办单位:吉林大学物理学院

吉林大学理论物理中心

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