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Résumé |
One century ago, Einstein predicted the existence of
Gravitational Waves (GW), ripples in the structure of spacetime. Their
recent direct detection by the LIGO-Virgo Consortium was a major
achievement that marked the beginning of a new era in astrophysics.
This talk will propose a general overview of some aspects of the physics
of GW. It will start with a brief review of their history and of their
properties in General Relativity (and beyond), after which will be
described their main sources (neutron stars and black holes) and the
methods to predict GW signals from such compact objects. It will then
conclude with some examples of what has been and should be learnt on both
nuclear matter and spacetime from the recent and forthcoming detections. |
