Top > Science > Physics > Quantum Mechanics > Quantum Field Theory > Gravitation

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• Science: Physics: Quantum Mechanics: Quantum Field Theory: Superstrings  (26)
• Science: Physics: Relativity  (418)

» Quantum Gravity   - A site maintained by Cambridge University on advances in quantum theories of gravity.

» Astronomy Today - Quantum Gravity - Astronomy Today - Article on Gamma Ray bursts which may reveal Quantum Gravity.

» Canonical Quantum Gravity - This is a summary of a talk delivered at the workshop, "Quantum gravity in the Southern Cone II".

» Cause of gravity and an explanation of field dynamics - An intuitive contribution to the gravity debate.

» Classical and Quantum Gravity - A journal for physicists, mathematicians and cosmologists working in the fields of gravitation and the theory of spacetime. Abstracts full text editorials, and freely available featured articles.

» Cosmological applications of loop quantum gravity - After a brief introduction to classical and quantum gravity we discuss applications of loop quantum gravity in the cosmological realm. This includes the basic formalism and recent results of loop quantum cosmology.

» Discrete Approaches to Quantum Gravity - The construction of a consistent theory of quantum gravity is a problem in theoretical physics that has so far defied all attempts at resolution. Reviewed here are three major areas of research: gauge-theoretic approaches; quantum Regge calculus; and the method of dynamical triangulations.

» Gravitational Theory - Views on The Directional Gravity Theory.

» Gravity as an Effective Field Theory - This is a pedagogical introduction to the treatment of general relativity as a quantum effective field theory.

» How far are we from the quantum theory of gravity? - An assessment is offered of the progress that the major approaches to quantum gravity have made towards the goal of constructing a complete and satisfactory theory. The emphasis is on loop quantum gravity and string theory, although other approaches are discussed.

» How gravity works at microscopic scales - Discusses in simple terms the problem of constructing a quantum theory of gravity.

» An Introduction to Simplicial Gravity - Contains introductory material on quantum mechanics and relativity and outlines one method of combining the two theories.

» Knots and Quantum Gravity - The book "Knots and Quantum Gravity" is the proceedings of a conference held at U.C. Riverside on May 14-16th, 1993. It is now available for free in Postscript format.

» Loop Quantum Gravity - A general overview of ideas, results and open problems of loop quantum gravity.

» Loop quantum gravity induced modifications to particle dynamics - The construction of effective Hamiltonians arising from Loop Quantum Gravity and incorporating Planck scale corrections to the dynamics of photons and spin 1/2 particles is summarized.

» Matters of Gravity - An online journal with articles on advances in the theories of gravity.

» Max Planck Institute for Gravitational Physics - Institute established to pursue research in gravitational physics, especially general relativity and quantum gravity.

» A new road to the Quantum Gravity - This Web site explores the possibility that our universe is not an isolated system. From this hypothesis a quantum origin of the gravitation is obtained.

» Numerical Quantum Gravity - An overview of work being done in the field of quantum gravity.

» An Ode to Effective Lagrangian - A brief introduction is given to the methods of effective lagrangians. The emphasis is on a summary of the overall picture, using a simple model of quantum gravity.

» Perimeter Institute for Theoretical Physics - International focal point of cutting-edge research in foundational theoretical physics.

» Physics News Update - Quantum Gravitational States - Quantum gravitational states have been observed for the first time. An experiment with ultracold neutrons.

» PhysicsWeb - Neutrons reveal quantum effects of gravity. - PhysicsWeb, A resource for physicists, PhysicsWorld, Institute of Physics, Electronic Publishing, online products and services.

» Quantum Gravity - Quantum Gravity: A road map towards the Grand Unified Theory.

» Quantum Gravity - A brief explanation of the search for a quantum theory of gravity, including links to sites on topological field theories.

» Quantum Gravity and M-Theory - A review of modern approaches to quantum gravity.

» Quantum Relativity Theory of Everything - Preliminary look at a new approach to Relativity, Cosmology and the Quantum nature of the universe.

» Sir Isaac Newton: The Universal Law of Gravitation - Provides a simple introduction to the law for which Newton is best known.

» Spin Foam Models - A review of the spin foam formulation of quantum gravity.

» Strings, Loops and Others - This postscript file includes a review of the present theoretical attempts to understand the quantum properties of spacetime.

» Summary Report of the D2 Workshop - A review of material presented at 1998 conference on quantum cosmology.

» Throwing Einstein for a Loop - A scientific american article which gives a summary of loop quantum gravity.

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