caa a22 4500 463195809 CHVBK 20180406164922.0 cr unu---uuuuu 170326e20070901xx s 000 0 eng 10.1007/s10773-007-9346-x doi (NATIONALLICENCE)springer-10.1007/s10773-007-9346-x Magnetohydrodynamics and Plasma Cosmology [Elektronische Daten] [Kostas Kleidis, Apostolos Kuiroukidis, Demetrios Papadopoulos, Loukas Vlahos] We study the linear magnetohydrodynamic (MHD) equations, both in the Newtonian and the general-relativistic limit, as regards a viscous magnetized fluid of finite conductivity and discuss instability criteria. In addition, we explore the excitation of cosmological perturbations in anisotropic spacetimes, in the presence of an ambient magnetic field. Acoustic, electromagnetic (e/m) and fast-magnetosonic modes, propagating normal to the magnetic field, can be excited, resulting in several implications of cosmological significance. Springer Science+Business Media, LLC, 2007 Kleidis Kostas Department of Physics, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece aut Kuiroukidis Apostolos Department of Physics, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece aut Papadopoulos Demetrios Department of Physics, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece aut Vlahos Loukas Department of Physics, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece aut International Journal of Theoretical Physics Springer US; http://www.springer-ny.com 46/9(2007-09-01), 2283-2298 0020-7748 46:9<2283 2007 46 10773 https://doi.org/10.1007/s10773-007-9346-x text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s10773-007-9346-x text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kleidis Kostas Department of Physics, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece aut NATIONALLICENCE 700 1- Kuiroukidis Apostolos Department of Physics, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece aut NATIONALLICENCE 700 1- Papadopoulos Demetrios Department of Physics, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece aut NATIONALLICENCE 700 1- Vlahos Loukas Department of Physics, Aristotle University of Thessaloniki, 54124, Thessaloniki, Greece aut NATIONALLICENCE 773 0- International Journal of Theoretical Physics Springer US; http://www.springer-ny.com 46/9(2007-09-01), 2283-2298 0020-7748 46:9<2283 2007 46 10773 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer