Институт теоретической и математической физики

МГУ имени М.В. Ломоносова

ITMP Seminar "Duality-Invariant Non-linear Electrodynamics and Stress Tensor Flows"

ITMP Seminar
5 декабря 2023

Dear Colleagues,

We are pleased to announce that the next ITMP seminar will be held on Wednesday, Dec 6, 18:00 (Moscow time). It will be organised via Zoom.

Speaker: Dr. Christian Ferko, University of California, Davis

Title: Duality-Invariant Non-linear Electrodynamics and Stress Tensor Flows

Abstract: I will discuss recent work on the connection between duality-invariant theories of electrodynamics in four spacetime dimensions and deformations of the Lagrangian by functions of the energy-momentum tensor. Such deformations, which we refer to as "stress tensor flows", are inspired by Zamolodchikov's T \bar{T} deformation of two-dimensional quantum field theories. We find a surprising one-to-one correspondence between these ideas: every family of self-dual theories of electrodynamics (such as the Born-Infeld and Modified Maxwell theories) obeys a flow equation built from the energy-momentum tensor, and every stress tensor deformation gives rise to families of duality-invariant theories.

If you want to join the seminar please register here before 16:00, December 6 here.

If you would like to subscribe to newsletters about ITMP seminars, please, contact seminar@itmp.msu.ru

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