162 citations · 268 across the 3 of their papers we have counts for
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astro-ph2008★ 24 cited
Disformal quintessence
Tomi S. Koivisto
A canonic scalar field minimally coupled to a disformal metric generated by the field itself is considered. Causality and stability conditions are derived for such a field. Cosmolo…
astro-ph2007★ 82 cited
Viable Palatini-f(R) cosmologies with generalized dark matter
Tomi Koivisto
We study the formation of large-scale structure in universes dominated by dark matter and driven to accelerated expansion by f(R) gravity in the Palatini formalism. If the dark mat…