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SUMMARY:Effective-one-body waveform modeling of coalescing compact binarie
 s:  status and perspectives - Prof. Alessandro Nagar\, INFN Torino
DTSTART:20220216T141500Z
DTEND:20220216T151500Z
UID:TALK170009@talks.cam.ac.uk
CONTACT:Michalis Agathos
DESCRIPTION:The effective-one-body (EOB) approach to the general relativis
 tic two body dynamics is a powerful analytic method to improve the behavio
 r of perturbative series (typically\, post-Newtonian results) and make the
 m reliable and predictive in the strong-field\, fast velocity regime\, up 
 to merger. The analytical construction is finally informed by Numerical Re
 lativity (NR) simulations to obtain a highly faithful representation of th
 e merger and ringdown regime. Faithful waveform models are essential for a
 nalyzing data of current and future gravitational wave detectors.\nEOB[NR]
 -based waveform models for coalescing relativistic binaries (either black 
 holes and neutron stars) have nowadays reached a high level of maturity. I
  will summarize the state-of-the-art\, in particular focusing on the TEOBR
 esumS waveform model that is the only one currently able of dealing with a
 ny binary configuration\,\nfrom quasi-circular (precessing) orbits\, to ec
 centric ones up to dynamical captures.\nAs a concrete example\, I will men
 tion the special case of GW190521\, that is more likely interpretable with
 in the scenario of the dynamical capture of two black holes than as a\, mo
 re standard\, quasi-circular\, precessing\, binary.\nPerspective for 3G de
 tectors\, like Einstein Telescope\, and for LISA will also be discussed.
LOCATION:Online (link to be shared in email)
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