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Showing 2010 · astro-ph.COShow all
3 papers · 2 filters
astro-ph.CO2010★ 20 cited
Time and distance constraints on accelerating cosmological models
M. A. Dantas, J. S. Alcaniz, D. Mania +1
The absence of guidance from fundamental physics about the mechanism behind cosmic acceleration has given rise to a number of alternative cosmological scenarios. These are based ei…
astro-ph.CO2010★ 82 cited
Primordial magnetic field limits from cosmological data
Tina Kahniashvili, Alexander G. Tevzadze, Shiv K. Sethi +2
We study limits on a primordial magnetic field arising from cosmological data, including that from big bang nucleosynthesis, cosmic microwave background polarization plane Faraday…
astro-ph.CO2010★ 51 cited
Numerical simulations of the decay of primordial magnetic turbulence
Tina Kahniashvili, Axel Brandenburg, Alexander G. Tevzadze +1
We perform direct numerical simulations of forced and freely decaying 3D magnetohydrodynamic turbulence in order to model magnetic field evolution during cosmological phase transit…