General relativistic polytropes with a repulsive cosmological constant

Spherically symmetric equilibrium configurations of perfect fluid obeying a polytropic equation of state are studied in spacetimes with a repulsive cosmological constant. The configurations are specified in terms of three parameters-the polytropic index n, the ratio of central pressure and central e...

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Veröffentlicht in:	Physical review. D 2016-11, Vol.94 (10), Article 103513
Hauptverfasser:	Stuchlík, Zdeněk, Hledík, Stanislav, Novotný, Jan
Format:	Artikel
Sprache:	eng
Schlagworte:	Big Bang theory Configurations Cosmological constant Dark matter Energy Energy distribution Equations of state Flux density Galactic halos Galaxies Geometry Nonlinear differential equations Nonlinear equations Numerical analysis Numerical methods Optical properties Parameters Potential energy Relativism Relativistic effects Static equilibrium Universe
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