内容摘要 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 an 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 theory of 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.费曼引力讲座基于理查德·费曼 1962-63 学年在加州理工学院教授的引力物理学课程中准备的笔记。在这些演讲之前的几年里,费曼对引力物理学的基本问题进行了长期而深入的思考,但他发表的文章却很少。这些讲座有效记录了他的观点和他对引力及其在特定时间的宇宙学、超级恒星、虫洞和引力波中的应用的一些见解。这些讲座还包含许多关于物理学和其他问题基础的有趣的题外话和旁白。费曼的特点是,基于引力的量子方面,采用了一种非传统的非几何方法来研究引力和广义相对论。因此,这些讲座包含了对爱因斯坦广义相对论发展的独特教学说明,这是对无质量自旋 2 场(引力子)与能量动量张量耦合的自洽理论需求的必然结果。事情。这种方法还证明了规范不变性和等效原理之间的密切而基本的联系。
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