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SUMMARY:Online Plenary — Kent Yagi: Gravitational-Wave Tests of String-I
 nspired Gravity
DTSTART;VALUE=DATE-TIME:20261119T023000Z
DTEND;VALUE=DATE-TIME:20261119T033000Z
DTSTAMP;VALUE=DATE-TIME:20261027T030616Z
UID:indico-contribution-1072@indico.narit.or.th
DESCRIPTION:Gravitational waves provide a unique window into the strong-fi
 eld regime of gravity\, offering unprecedented opportunities to test gener
 al relativity and search for signatures of new physics. In this talk\, I w
 ill focus on Einstein-dilaton-Gauss-Bonnet gravity\, a quadratic modificat
 ion of general relativity motivated by string theory. I will first discuss
  the post-Newtonian corrections that arise during the inspiral phase of co
 mpact binary coalescences and review current observational constraints obt
 ained from inspiral signals. I will then describe how black hole ringdown 
 frequencies are modified in this theory and the corresponding constraints 
 from ringdown observations. Accurately modeling the merger phase requires 
 numerical relativity simulations\, which are computationally expensive and
  time-consuming. To address this challenge\, I will present new approaches
  for constructing inspiral-merger-ringdown waveforms in Einstein-dilaton-G
 auss-Bonnet gravity more efficiently\, paving the way for stronger tests o
 f string-inspired modifications to gravity with current and future gravita
 tional-wave observations.\n\nhttps://indico.narit.or.th/event/234/contribu
 tions/1072/
LOCATION:Pattaya\, Thailand D Varee Jomtien Beach Pattaya Hotel
URL:https://indico.narit.or.th/event/234/contributions/1072/
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