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  1. Article

    Open Access

    Multipole expansion of gravitational waves: memory effects and Bondi aspects

    In our previous work, we proposed an algorithm to transform the metric of an isolated matter source in the multipolar post-Minkowskian approximation in harmonic (de Donder) gauge to the Newman-Unti gauge. We t...

    Luc Blanchet, Geoffrey Compère, Guillaume Faye… in Journal of High Energy Physics (2023)

    Download PDF (662 KB)

  2. Article

    Open Access

    Multipole expansion of gravitational waves: from harmonic to Bondi coordinates

    We transform the metric of an isolated matter source in the multipolar post-Minkowskian approximation from harmonic (de Donder) coordinates to radiative Newman-Unti (NU) coordinates. To linearized order, we ob...

    Luc Blanchet, Geoffrey Compère, Guillaume Faye… in Journal of High Energy Physics (2021)

    Download PDF (523 KB)