Feynman Lectures On Gravitation
Avalon Publishing, Aug 13, 1995 - Science - 232 pages
The Feynman Lectures on Gravitation are based on notes prepared during a course on gravitational physics that Richard Feynman taught at Caltech during the 1962-63 academic year. For several years prior to these lectures, Feynman thought long and hard about the fundamental problems in gravitational physics, yet he published very little. These lectures represent a useful record of his viewpoints and some of his insights into gravity and its application to cosmology, superstars, wormholes, and gravitational waves at that particular time. The lectures also contain a number of fascinating digressions and asides on the foundations of physics and other issues.Characteristically, Feynman took and untraditional non-geometric approach to gravitation and general relativity based on the underlying quantum aspects of gravity. Hence, these lectures contain a unique pedagogical account of the development of Einstein's general relativity as the inevitable result of the demand for a self-consistent theory of a massless spin-2 field (the graviton) coupled to the energy-momentum tensor of matter. This approach also demonstrates the intimate and fundamental connection between gauge invariance and the Principle of Equivalence.
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acceleration amplitude antimatter assume binding energy calculate classical components compute conservation consider constant corresponding cosmological coupling covariant curvature tensor deduce defined density derivatives described diagrams distance divergence ds)² earth effects Einstein electrodynamics electromagnetic electron example expression Feynman field equation field theory Figure function galaxies gauge gauge invariance geometrical gravitational constant gravitational field gravitational forces gravitational waves graviton integral interaction invariant involving Lagrangian lectures Mach's Principle mass matter measurements metric tensor momentum nebulae neutrino Newtonian nucleon observer obtain orbits particle perturbation photons physical polarization possible potential principle problem proportional quantities quantum gravity quantum mechanics quantum theory radiation radius region relativistic result scalar Schwarzschild simply solutions space spherical spin star stress-energy tensor string theory superstars surface symmetric temperature theory of gravitation transformation universe vector velocity Venutian waves wormhole zero Ομν