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H 1 Theory of gravitational waves and approximation methods in general relativity

Auteurs : Blanchet, Luc (Auteur de la Conférence)
CIRM (Editeur )

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    Résumé : In these lectures we give a general introduction to the theory of gravitational waves and the analytic approximation methods in general relativity. More precisely we focus on the theory which is necessary to accurately and reliably predict the gravitational waves generated by compact binary systems, made of black holes or neutron stars. The predictions are used in the form of gravitational-wave “templates” in the data analysis of the detectors LIGO, VIRGO, ... LISA. In particular we present the state-of-the-art on the post-Newtonian approximation in general relativity, which is the main tool for describing the famous gravitational wave “chirp” of compact binary systems. The outline of the lectures is :
    1. Gravitational wave events
    2. Methods to compute gravitational waves
    3. Einstein quadrupole formalism
    4. Post-Newtonian parameters
    5. Finite size effects in compact binaries
    6. Synergy with the effective field theory
    7. Radiation reaction and balance equations.

    Codes MSC :
    83C35 - Gravitational waves
    83C57 - Black holes
    83F05 - Relativistic cosmology


    Ressources complémentaires :
    https://www.cirm-math.fr/RepOrga/2651/Slides/Luc-Blanchet.pdf


      Informations sur la Vidéo

      Réalisateur : Hennenfent, Guillaume
      Langue : Anglais
      Date de publication : 30/04/2021
      Date de captation : 15/04/2021
      Sous collection : Research talks
      Format : MP4
      arXiv category : General Relativity and Quantum Cosmology
      Domaine : Mathematical Physics
      Durée : 01:30:27
      Audience : Chercheurs ; Doctorants , Post - Doctorants
      Download : https://videos.cirm-math.fr/2021-04-15_Blanchet.mp4

    Informations sur la Rencontre Virtuelle

    Nom de la rencontre : Theory of Gravitation and Variation in Cosmology / Théorie de la gravitation et variations en cosmologie
    Organisateurs de la rencontre : Brax, Philippe ; de la Torre, Sylvain ; Masson, Thierry ; Triay, Roland
    Dates : 12/04/2021 - 16/04/2021
    Année de la rencontre : 2021
    URL Congrès : https://conferences.cirm-math.fr/2651.html

    Citation Data

    DOI : 10.24350/CIRM.V.19745203
    Cite this video as: Blanchet, Luc (2021). Theory of gravitational waves and approximation methods in general relativity.CIRM . Audiovisual resource. doi:10.24350/CIRM.V.19745203
    URI : http://dx.doi.org/10.24350/CIRM.V.19745203


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