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Comptes Rendus Physique
Volume 15, n° 6
pages 547-552 (juin 2014)
Doi : 10.1016/j.crhy.2014.03.004
The physics of quantum gravity
La physique de la gravitation quantique

Pierre Vanhove a, b,
a Institut de physique théorique, CEA, IPhT & CNRS, URA 2306, 91191 Gif-sur-Yvette, France 
b Institut des hautes études scientifiques, Le Bois-Marie, 35, route de Chartres, 91440 Bures-sur-Yvette, France 

Correspondence to: Institut de physique théorique, CEA, IPhT & CNRS, URA 2306, 91191 Gif-sur-Yvette, France.

Quantum gravity is still very mysterious and far from being well understood. In this text we review the motivations for the quantification of gravity, and some expected physical consequences. We discuss the remarkable relations between scattering processes in quantum gravity and in Yang–Mills theory, and the role of string theory as a unifying theory.

The full text of this article is available in PDF format.

Comprendre la physique de la gravitation quantique est un enjeu majeur de la physique moderne. Dans ce texte, nous exposons quelques-unes des raisons en faveur de la quantification de l'interaction gravitationnelle, et nous en décrivons quelques conséquences physiques attendues. Nous discutons les relations remarquables entre amplitudes de diffusion en gravité quantique et théorie de Yang–Mills, ainsi que le rôle de la théorie des cordes comme théorie unificatrice.

The full text of this article is available in PDF format.

Keywords : Scattering amplitudes, String theory, Quantum gravity

 IPhT-T/13/219, IHES/P/14/08.

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