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SUMMARY:Radiation-reaction effects at 3PN order in scalar-tensor theories
DTSTART;VALUE=DATE-TIME:20260520T091000Z
DTEND;VALUE=DATE-TIME:20260520T094000Z
DTSTAMP;VALUE=DATE-TIME:20260530T172103Z
UID:indico-contribution-2473@indico.itp.ac.cn
DESCRIPTION:Speakers: Eve Dones (IBS CTPU-CGA)\nWith the advent of third-g
 eneration gravitational-wave detectors\, it has become crucial to extend a
 nalytical frameworks used to model waveforms from compact binary systems t
 o alternative theories of gravity. In this talk\, I will present recent re
 sults on radiation-reaction effects in a class of scalar–tensor theories
 . Using the post-Newtonian multipolar post-Minkowskian (PN–MPM) formalis
 m\, we compute the dissipative contributions to the ten Noetherian conserv
 ed quantities\, which can be classified into two types: Schott and pseudo-
 Schott terms. In contrast to general relativity\, where only pseudo-Schott
  terms contribute to the waveform phasing at 4.5PN order for quasi-circula
 r orbits\, we find that Schott terms begin to contribute already at 3PN or
 der\, even in the quasi-circular case. These contributions must therefore 
 be consistently included in the future when extending the energy flux and 
 waveform\, currently known up to 2.5PN order\, to 3PN order.\n\nhttps://in
 dico.itp.ac.cn/event/419/contributions/2473/
LOCATION:Small Lecture Hall\, Chongqing University Library (图书馆小
 报告厅) 1F-9
URL:https://indico.itp.ac.cn/event/419/contributions/2473/
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