Cambridge High Energy Workshop 2022 - Phase Transitions and Topological Defects in the Early Universe

Session

Theory Developments

5 Aug 2022, 09:30

Center of Mathematical Sciences and Applications (CMSA), Harvard University

25. Charge-Monopole Pairwise Phases from Dressed Quantum States

Ofri Telem (Cornell U.)

05/08/2022, 09:30

26. Coupling a Cosmic String to a TQFT

Sungwoo Hong (Chicago U.)

05/08/2022, 10:00

In the last few years, the notion of symmetry has been enlarged to “generalized symmetry” or “higher-form symmetry” and these more generalized symmetries have played a critical role in deepening our understanding of QFT, notably IR phases of QFT. In this talk, I will discuss a various ways of coupling the axion-Maxwell theory to a topological field theory (TQFT). Contrary to a common wisdom, I...

16. Non-perturbative methods for false vacuum decay

Eleanor Hall (Berkeley U.)

05/08/2022, 10:30

Gravitational waves from phase transitions in the early universe are one of our most promising signal channels of BSM physics; however, existing methods for predicting these signals are limited to weakly-coupled theories. In this talk, I present the quasi-stationary effective action, a new non-perturbative formalism for false vacuum decay that integrates over local fluctuations in field space...