Bulletin of the American Physical Society
APS March Meeting 2023
Volume 68, Number 3
Las Vegas, Nevada (March 5-10)
Virtual (March 20-22); Time Zone: Pacific Time
Session N11: Biological Active Matter IV
11:30 AM–2:18 PM,
Wednesday, March 8, 2023
Room: Room 203
Sponsoring
Unit:
DBIO
Chair: Suraj Shankar, Harvard University
Abstract: N11.00011 : Novel critical phenomena in compressible polar active fluids: A functional renormalization group approach
1:54 PM–2:06 PM
Presenter:
Patrick Jentsch
(Imperial College London)
Authors:
Patrick Jentsch
(Imperial College London)
Chiu Fan Lee
(Imperial College London)
Using functional RG methods, we are able to overcome some of these issues and reveal for the first time critical phenomena in compressible PAFs. Specifically, we show the existence of three novel universality classes around a multicritical region of the PAF phase diagram close to the upper critical dimension dc=6, two of which are demonstratively out of equilibrium, since their associated scaling behavior violates the fluctuation-dissipation relation equilibrium systems must fulfill.
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