Pressure as a source of gravity

Ehlers, Jürgen; Ozsvath, Istvan; Schücking, Engelbert L.; Shang, Y.

doi:10.1103/PhysRevD.72.124003

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Pressure as a source of gravity

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Ehlers, Jürgen
Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Ehlers, J., Ozsvath, I., Schücking, E. L., & Shang, Y. (2005). Pressure as a source of gravity. Physical Review D, 72(12): 124003. doi:10.1103/PhysRevD.72.124003.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0013-4DA5-F

Abstract

The active mass density in Einstein's theory of gravitation in the analog of Poisson's equation in a local inertial system is proportional to rho+3p/c2. Here rho is the density of energy and p its pressure for a perfect fluid. By using exact solutions of Einstein's field equations in the static case we study whether the pressure term contributes towards the mass.