virtual NT/RIKEN seminar

"Universal location of the Yang-Lee edge singularity in O(N) theories"

Presented by Gregory Johnson, NCSU

Friday, July 24, 2020, 9:00 am — Webcast

We determine a previously unknown universal quantity, the location of the Yang-Lee edge singularity for the O(N) theories in a wide range of N and various dimensions. At large N, we reproduce the N\to\infty analytical result on the location of the singularity and, additionally, we obtain the mean-field result for the location in d=4 dimensions. In order to capture the nonperturbative physics for arbitrary N, d and complex-valued external fields, we use the functional renormalization group approach.
Bluejeans link:

Hosted by: Nikhil Karthik

More Information

15838  |  INT/EXT  |  Events Calendar


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