dc.contributor.author | Kuiroukidis, A. | |
dc.contributor.author | Kleidis, K. | |
dc.contributor.author | Papadopoulos, D. B. | |
dc.contributor.author | Vlahos, L. | |
dc.date.accessioned | 2015-06-24T14:44:23Z | |
dc.date.available | 2015-06-24T14:44:23Z | |
dc.date.issued | 2007 | |
dc.identifier.other | http://www.aanda.org/articles/aa/pdf/2007/32/aa7109-07.pdf | el |
dc.identifier.uri | http://apothesis.teicm.gr/xmlui/handle/123456789/1450 | |
dc.description.abstract | The excitation of cosmological perturbations in an anisotropic cosmological model and in the presence of a homogeneous magnetic field was studied, using the resistive magnetohydrodynamic (MHD) equations. We have shown that fast-magnetosonic modes, propagating normal to the magnetic field, grow exponentially and saturate at high values, due to the resistivity. We also demonstrate that Jeans-like instabilities can be enhanced inside a resistive fluid and that the formation of condensations influence the growing magnetosonic waves. | en |
dc.format.extent | 9 | el |
dc.language.iso | en | el |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Διεθνές | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/ | * |
dc.title | Excitation of MHD waves in magnetized anisotropic cosmologies | en |
dc.type | Άρθρο σε επιστημονικό περιοδικό | el |
dc.identifier.doi | 10.1051/0004-6361:20077109 | |
dc.publication.category | Δημοσίευση ανοιχτής πρόσβασης | el |
dc.relation.journal | Astronomy & Astrophysics;Vol. 471, iss. 2 | |
dc.subject.keyword | Magnetic fields | el |
dc.subject.keyword | Magnetohydrodynamics (MHD) | el |
dc.subject.keyword | Instabilities | el |
dc.subject.keyword | Waves | el |
dc.subject.keyword | Cosmology: early Universe | el |
dc.subject.keyword | Relativity | el |
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