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SUMMARY:Larus Thorlacius (U. of Iceland) - Effective Field Theory Approach
  to 4D Hawking Emission
DTSTART:20260316T140000Z
DTEND:20260316T150000Z
DTSTAMP:20260407T072600Z
UID:indico-event-2120@indico.uu.se
DESCRIPTION:Speakers: Larus Thorlacius (U. of Iceland)\n\nHawking radiatio
 n from 3+1-dimensional black holes is studied using effective field theor
 y methods. The field equations that determine the time-dependent renormal
 ised stress tensor are numerically solved for a black hole formed by an i
 ngoing null shock wave. Hawking radiation is generated dynamically near t
 he event horizon and propagates to future null infinity. The outgoing ener
 gy flux at future null infinity builds up from zero at early retarded tim
 es before the black hole forms and approaches a constant late-time value\
 , consistent with analytic results for an Unruh state on a static Schwarz
 schild background of the same mass. Preliminary numerical solutions of th
 e full semiclassical field equations\, with back reaction included\, show
  black hole formation and the onset of Hawking evaporation but the soluti
 ons break down before the black hole endpoint is reached.\n\nhttps://indi
 co.uu.se/event/2120/
LOCATION:92110 (Ångströmlaboratoriet)
URL:https://indico.uu.se/event/2120/
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