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UID:2509@qft.physik.hu-berlin.de
DTSTART;TZID=Europe/Berlin:20260429T133000
DTEND;TZID=Europe/Berlin:20260429T143000
DTSTAMP:20260419T083150Z
URL:https://qft.physik.hu-berlin.de/next-seminars/marek-liska-dias-dublin/
SUMMARY:Marek Liska (DIAS) - 
DESCRIPTION:Speaker: Marek Liska\n\nTitle: Semiclassical spacetime thermody
 namics\n\nAbstract: I outline the recovery of semiclassical gravitational 
 dynamics from entanglement equilibrium of local causal horizons. Due to ba
 ckreaction of quantum fields\, gravitational entanglement entropy acquires
  corrections encoded in the conformal anomaly. Though entropy is no longer
  simply proportional to area\, the universal nature of the anomaly still e
 nsures a robust entropy prescription that can be obtained without invoking
  the gravitational Lagrangian. Then\, gravitational dynamics follows from 
 equilibrium conditions in a self-contained and internally consistent way. 
 Since the resulting theory includes a non-minimally coupled scalar field\,
  I further discuss the peculiarities of entropy in such theories. While th
 e talk focuses on a tractable 2D setup\, I also comment on the physically 
 most relevant 4D case.
CATEGORIES:Pizza Seminars
LOCATION:Room 1.221\, IRIS building\, Zum großen Windkanal 6\, Berlin\, 12
 489\, Germany
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Zum großen Windkanal 6\, B
 erlin\, 12489\, Germany;X-APPLE-RADIUS=100;X-TITLE=Room 1.221\, IRIS build
 ing:geo:0,0
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