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astro-ph2007★ 28 cited
Challenges for creating magnetic fields by cosmic defects
Lukas Hollenstein, Chiara Caprini, Robert Crittenden +1
We analyse the possibility that topological defects can act as a source of magnetic fields through the Harrison mechanism in the radiation era. We give a detailed relativistic deri…
astro-ph2004★ 82 cited
Dark matter distribution function from non-extensive statistical mechanics
Steen H. Hansen, Daniel Egli, Lukas Hollenstein +1
We present an analytical and numerical study of the velocity distribution function of self gravitating collisionless particles, which include dark matter and star clusters. We show…