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Numerical simulations of the decay of primordial magnetic turbulence
Stockholm University, Faculty of Science, Department of Astronomy. Stockholm University, Nordic Institute for Theoretical Physics (Nordita).
2010 (English)In: Physical Review D. Particles and fields, ISSN 0556-2821, E-ISSN 1089-4918, Vol. 81, no 12, 123002- p.Article in journal (Refereed) Published
Abstract [en]

We perform direct numerical simulations of forced and freely decaying 3D magnetohydrodynamic turbulence in order to model magnetic field evolution during cosmological phase transitions in the early Universe. Our approach assumes the existence of a magnetic field generated either by a process during inflation or shortly thereafter, or by bubble collisions during a phase transition. We show that the final configuration of the magnetic field depends on the initial conditions, while the velocity field is nearly independent of initial conditions.

Place, publisher, year, edition, pages
2010. Vol. 81, no 12, 123002- p.
Keyword [en]
Background radiations, Cosmology
National Category
Astronomy, Astrophysics and Cosmology
URN: urn:nbn:se:su:diva-50489DOI: 10.1103/PhysRevD.81.123002OAI: diva2:381570
Available from: 2011-01-04 Created: 2010-12-28 Last updated: 2011-01-12Bibliographically approved

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Brandenburg, Axel
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Department of AstronomyNordic Institute for Theoretical Physics (Nordita)
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