Field equations and curvature
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The main purpose of this chapter is to establish the field equations of general relativity, which couple the gravitational field (contained in the curvature of spacetime) with its sources. We start by discussing a tensor which effectively and concisely describes the sources, and follow that with a discussion of curvature, then bring these together in the field equations.
KeywordsStress Tensor Field Equation Gravitational Field Curvature Tensor Perfect Fluid
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