Carlo Rovelli is an Italian-born physicist who now works at the University of the Mediterraneum and the Centre de Physique Theorique in Marseille, France. He is also affiliated Professor in the Department of History and Philosophy of Science of the University of Pittsburgh, USA. He graduated in 1986, University of Padova, Italy. His work is mainly in the field of quantum gravity. Since antiquity, people have tried to understand the behavior of matter: why unsupported objects drop to the ground, why different materials have different properties, and so forth. ... 1986 is a common year starting on Wednesday of the Gregorian calendar. ... Quantum gravity is the field of theoretical physics attempting to unify the theory of quantum mechanics, which describes three of the fundamental forces of nature, with general relativity, the theory of the fourth fundamental force: gravity. ...
In 1988, Carlo Rovelli and Lee Smolin have introduced a theory of quantum gravity denoted loop quantum gravity. In 1995, they have obtained an explicit basis of states of quantum gravity, labelled by Penrose's spin networks, and using this basis they have shown that the theory predicts that area and volume are quantized. This result indicates the existence of a discrete structure of space at very small scale. Lee Smolin at Harvard Lee Smolin is a theoretical physicist who has made major contributions to loop quantum gravity. ... Loop quantum gravity (LQG), also known as loop gravity, quantum geometry and canonical quantum general relativity, is a proposed quantum theory of spacetime which attempts to blend together the seemingly incompatible theories of quantum mechanics and general relativity. ... Sir Roger Penrose OM, FRS (born August 8, 1931) is an English mathematical physicist and Emeritus Rouse Ball Professor of Mathematics at the University of Oxford. ... A spin network is a graph whose edges are associated with representations of a Lie group, G and vertices are associated with intertwiners of the edge reps adjacent to it. ...
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Carlo Rovelli, A Dialog on Quantum Gravity, preprint available as hep-th/0310077
CarloRovelli is an Italian-born physicist who now works at the University of the Mediterraneum and the Centre de Physique Theorique in Marseille, France.
In 1988, CarloRovelli and Lee Smolin have introduced a theory of quantum gravity denoted loop quantum gravity.
In 1995, they have obtained an explicit basis of states of quantum gravity, labelled by Penrose's spin networks, and using this basis they have shown that the theory predicts that area and volume are quantized.
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