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K.Kleidis, D. B.Papadopoulos*, L.Vlahos Aristotle University of Thessaloniki, 54124 Greece

Generalized Jean’s type instabilities in a homogeneous and anisotropic Universe. K.Kleidis, D. B.Papadopoulos*, L.Vlahos Aristotle University of Thessaloniki, 54124 Greece Department of Physics, Section of Astrophysics, Astronomy and Mechanics

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K.Kleidis, D. B.Papadopoulos*, L.Vlahos Aristotle University of Thessaloniki, 54124 Greece

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  1. Generalized Jean’s type instabilities in a homogeneous and anisotropic Universe K.Kleidis, D. B.Papadopoulos*, L.Vlahos Aristotle University of Thessaloniki, 54124 Greece Department of Physics, Section of Astrophysics, Astronomy and Mechanics (*) Department of Fundamental Physics, University of Barcelona, Spain Abstract: The formation of large-scale structures in cosmological and astrophysical scales is close related to the concept of instabilities. Assuming that the Universe is described by an homogeneous and anisotropic cosmological model containing a perfect fluid with an equation of state () and a uniform magnetic field, Jeans instabilities has been discussed using the general relativistic version of the linearized perturbed magnetohydrodynamic (MHD) equations with and without finite conductivity.

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