作者: G. Allemandi , L. Fatibene , M. Ferraris , M. Francaviglia , M. Raiteri
DOI: 10.1007/978-88-470-2101-3_6
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摘要: In the framework of classical field theories, notions conserved quantities and entropy for stationary solutions covariant theories gravitation, e. g. Einstein equations General Relativity, are discussed. Nother theorem is used to provide correct definition (covariantly) such as mass angular momentum. The variation then defined a macroscopical quantity which satisfies Clausiuslike first principle thermodynamics. Finally, proposal non-stationary