Simultaneous expansion and rotation of shear-free universes in modified gravity

Details Simultaneous expansion and rotation of shear-free universes in modified gravity Simultaneous expansion and rotation of shear-free universes in modified gravity

2012-02-17

arxiv.org/abs/1202.3864v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, no figures. Contribution submitted to the proceedings of the Spanish Relativity Meeting ERE2011, September 2011, Madr

Scientific paper

We show in a fully covariant way that, there exist a class of $f(R)$ models
for which a shear-free, almost FLRW universe can expand and rotate at the same
time .

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