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Quantum gravity is among the most fascinating problems in physics. It modifies our understanding of time, space and matter. The recent development of the loop approach has allowed us to explore domains ranging from black hole thermodynamics to the early Universe. This book provides readers with a simple introduction to loop quantum gravity, centred on its covariant approach. It focuses on the physical and conceptual aspects of the problem and includes the background material needed to enter this lively domain of research, making it ideal for researchers and graduate students. Topics covered include quanta of space; classical and quantum physics without time; tetrad formalism; Holst action; lattice QCD; Regge calculus; ADM and Ashtekar variables; Ponzano-Regge and Turaev-Viro amplitudes; kinematics and dynamics of 4D Lorentzian quantum gravity; spectrum of area and volume; coherent states; classical limit; matter couplings; graviton propagator; spinfoam cosmology and black hole thermodynamics.

Quantum gravity --- Quantum cosmology

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Pionnier dans l'étude de la gravité quantique, Carlo Rovelli propose dans ce livre une vaste fresque des grandes avancées de la physique. Des atomes de Démocrite aux "atomes d'espace", de la chaleur des trous noirs au hypothèses sur le rôle de l'information dans notre perception de la réalité, il nous guide, sans aucune équation, sur le fascinant chemin des grandes théories - physique quantique, relativité générale - qui ont changé notre vision du monde et nous ont dévoilé, par-delà le visible, une autre réalité. Atomes, quanta et espace-temps courbe mènent le lecteur vers l'étrange image du réel suggérée par la physique d'aujourd'hui : celle d'un monde sans espace ni temps, ni énergie. Seulement un fourmillement probabiliste de quanta élémentaires qui, dans leur dans danse folle, dessinent l'espace, le temps, la matière et la lumière. C'est la trame d'un nouveau regard sur la réalité qui se révèle sous la plume d'un merveilleux conteur.

Gravité quantique. --- Réalité. --- Espace et temps. --- Relativité (physique) --- Physique --- Histoire. --- Quantum gravity --- Reality --- Space and time --- Relativity (Physics) --- Physics --- Gravité quantique --- Réalité --- Espace et temps --- Relativité (Physique) --- History --- Histoire --- Gravité quantique --- Réalité --- Relativité (Physique) --- Quantum gravity. --- Reality. --- Space and time. --- Relativité (physique) --- History. --- Gravité quantique. --- Réalité.

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Physical Review D, a leading journal in elementary particle physics, field theory, gravitation, and cosmology, appears monthly in two sections: D1 : reports on experimental high-energy physics, phenomenologically oriented theory of particles and fields, cosmic-ray physics, electroweak interactions, applications of QCD and lattice gauge theory. D15 : covers general relativity, quantum theory of gravitation, cosmology, particle astrophysics, formal aspects of theory of particles and fields, general and formal development in gauge field theories and string theory.

Elementary particles --- Quantum mechanics. Quantumfield theory --- Nuclear physics --- Particles (Nuclear physics) --- Physique nucléaire --- Particules (Physique nucléaire) --- Periodicals --- Périodiques --- Gravitation --- General relativity (Physics) --- Quantum gravity --- Gravitation. --- Nuclear physics. --- Quantum gravity. --- Physique des particules élémentaires. --- Cosmologie. --- Champ magnétique. --- E-journals --- 53 --- #TS:WBIB --- Physics --- General and Others --- Nuclear Physics --- Particle Physics --- Elementaire deeltjes. --- Veldentheorie. --- Gravitatie. --- Kosmologie. --- 53 Physics --- Physique nucléaire --- Particules (Physique nucléaire) --- Périodiques --- AMEPHYSOC-E EJPHYSI EPUB-ALPHA-P EPUB-PER-FT --- Gravity, Quantum --- Elementary particles (Physics) --- High energy physics --- Nuclear particles --- Nucleons --- Atomic nuclei --- Atoms, Nuclei of --- Nucleus of the atom --- Relativistic theory of gravitation --- Relativity theory, General --- Quantum theory --- Field theory (Physics) --- Matter --- Antigravity --- Centrifugal force --- Relativity (Physics) --- Properties --- Elementary particles. --- Cosmology. --- 53 Fysica. Natuurkunde --- Fysica. Natuurkunde