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Per Kraus (University Of California - Los Angeles)
Date & Time
Thu, 04 June 2020, 21:30 to 23:00
ICTS virtual seminar, Please register at (Links to join the seminars will be sent to your registered email address)

Abstract: I will present an efficient method for computing thermal partition functions of weakly coupled scalar fields in AdS. We consider quartic contact interactions and show how to evaluate the relevant two-loop vacuum diagrams without performing any explicit AdS integration, the key step being the use of Kallen-Lehmann type identities. This leads to a simple method for extracting double-trace anomalous dimensions in any spacetime dimension, recovering known first-order results in a streamlined fashion.

Recordings of past talks can be found here: