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SUMMARY:Dynamical Love Numbers for Black Holes and Beyond from Shell Effec
 tive Field Theory
DTSTART;VALUE=DATE-TIME:20260512T190000Z
DTEND;VALUE=DATE-TIME:20260512T210000Z
DTSTAMP;VALUE=DATE-TIME:20260809T064027Z
UID:indico-contribution-825@cern.ch
DESCRIPTION:Speakers: Dimitrios  Kosmopoulos  (CERN)\nA key property that 
 shapes the gravitational waveform of binary systems is the tidal deformabi
 lity of their constituents\, quantified by the Love numbers. In modern tre
 atments of the gravitational two-body problem\, the binary dynamics are de
 scribed within an effective field theory (EFT)\, where Love numbers enter 
 as Wilson coefficients encoding the finite-size response of each object. I
 n this talk\, I will introduce Shell Effective Field Theory\, a new framew
 ork for computing the classical gravitational dynamics of compact objects\
 , with particular emphasis on extracting Love numbers. By combining techni
 ques from quantum field theory with solutions to black-hole perturbation t
 heory\, Shell EFT circumvents the loop integrations that constitute the ma
 in bottleneck in conventional approaches. I will present new results for d
 ynamical Love numbers of generic compact objects through order G^9\, corre
 sponding to an eight-loop calculation\, and conjecture their all-orders st
 ructure in the case of a Schwarzschild black hole.\n\nhttps://indico.buap.
 mx/event/124/contributions/825/
LOCATION:FM9/109 SALA AUDIOVISUAL
URL:https://indico.buap.mx/event/124/contributions/825/
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