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Equation of State for Dark Energy in Modified Gravity Theories
Modified theories of gravity Dark energy Cosmology
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2012/2/21
We explore the equation of state (EoS) for dark energy $w_{\mathrm{DE}}$ in modified gravitational theories to explain the current accelerated expansion of the universe. We explicitly demonstrate that...
Black holes in modified gravity theories
Black holes modified gravity theories
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2010/3/17
In the context of $f(R)$ gravity theories, the issue of finding static and spherically symmetric black hole solutions is addressed. Two approaches to study the existence of such solutions are consider...