1k citations · 2.8k across the 17 of their papers we have counts for
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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…
gr-qc2007★ 144 cited
Stability of the Einstein static universe in f(R) gravity
Christian G. Boehmer, Lukas Hollenstein, Francisco S. N. Lobo
We analyze the stability of the Einstein static universe by considering homogeneous scalar perturbations in the context of f(R) modified theories of gravity. By considering specifi…