【直播】【中科院理论物理所】BMS field theories in 2d

报告名称：

BMS field theories in 2d

报告时间：

2022年10月26日 15:00

报告嘉宾：

郝鹏翔 (清华丘成桐数学科学中心)

主办单位：

中国科学院理论物理研究所

邀请人：

吴洁强

直播通道

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报告人介绍

郝鹏翔 

清华丘成桐数学科学中心

Pengxiang Hao got his Ph.D in physics from Peking University, supervised by Prof. Bin Chen. Now he is a postdoc in the Yau Mathematical Sciences Center, Tsinghua University, under the supervision of Prof. Wei Song. His main research interests include the holography beyond AdS/CFT correspondence and the non-Lorentz invariant field theories.

报告简介

The BMS (Bondi-van der Burg-Metzner-Sachs) symmetry arises as the asymptotic symmetry of flat spacetime at null infinity. The 2d BMS field theories are a kind of non-relativistic quantum field theory equipped with the BMS$_3$ algebra. They serve as the candidates of the dual theory of flat holography and flat space chiral gravity in 3d.In this talk, I will report our recent study on the BMS field theories, including the properties from the general consideration of symmetry algebra and representation, the appearance of the multiplets. We also calculate the global blocks and develop BMS bootstrap. Besides, we consider the detailed free scalar and fermion models as the testing ground, solving them by canonical quantization, then organizing them in the language of BMS data. These theories feature novel properties on the primary multiplet, the staggered module and the induced module.

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编辑：吴良秀

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