Séminaire de Physique Théorique - Institut des hautes études scientifiques - IHES - Bures-sur-Yvette - Centre, Paris, Ile de France
Institut des hautes études scientifiques - IHES - Bures-sur-Yvette - Centre, Paris, Ile de France
Worldline Approach to Gravitational Bremsstrahlung
Start:
March 8, 2022, 2 p.m.
End:
March 8, 2022, 3 p.m.
Speaker: Filippo Vernizzi, Massimiliano Maria Riva et (Institut de physique théorique, Université Paris-Saclay, CEA, CNRS)
Title:
Worldline Approach to Gravitational Bremsstrahlung
Abstract: <p><span><span>The need to improve the analytical knowledge of the gravitational waveforms emitted by binary systems has recently sparked a fervent activity in the application of (classical and/or quantum) post-Minkowskian perturbation methods (expansion in G) to the two-body relativistic gravitational dynamics and radiation. We shall discuss how the use of a classical Effective-Field-Theory worldline approach to gravitational scattering, combined with modern Quantum-Field-Theory integration techniques, allows one to compute both the gravitational-wave amplitude and the associated radiated four-momentum.</span></span></p>
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Séminaire de Physique Théorique - Institut des hautes études scientifiques - IHES - Bures-sur-Yvette - Centre, Paris, Ile de France