Stress energy Tensor

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The stress-energy tensor is a tensor quantity in physics that describes the density and flux of energy and momentum in spacetime, generalizing the stress tensor of Newtonian physics. It is an attribute of matter, radiation, and non-gravitational force fields. The stress-energy tensor is the source of the gravitational field in the Einstein field equations of general relativity, just as mass is the source of such a field in Newtonian gravity.

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Pagina's: 224, Paperback, Betascript Publishers