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Method to obtain shear-free two-fluid solutions of Einstein's equations
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Method to obtain shear-free two-fluid solutions of Einstein's equations
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| Ferrando Bargues, Joan J.; Morales Lladosa, Juan Antonio; Portilla Moll, Miquel | |||
| This document is a artículoDate1989 | |||
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Este documento está disponible también en : http://hdl.handle.net/10550/68479 |
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| We use the Einstein equations, stated as an initial-value problem (3+1 formalism), to present a method for obtaining a class of solutions which may be interpreted as the gravitational field produced by a mixture of two perfect fluids. The four-velocity of one of the components is assumed to be a shear-free, irrotational, and geodesic vector field. The solutions are given up to a set of a hyperbolic quasilinear system. | |||
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Ferrando Bargues, Joan J. Morales Lladosa, Juan Antonio Portilla Moll, Miquel 1989 Method to obtain shear-free two-fluid solutions of Einstein's equations Physical Review D 40 4 1027 1032 |
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| https://doi.org/10.1103/PhysRevD.40.1027 |