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arxiv: 0811.2876 · v1 · submitted 2008-11-18 · 🌀 gr-qc

Non-minimal curvature-matter couplings in modified gravity

Orfeu Bertolami , Tiberiu Harko , Francisco S. N. Lobo , Jorge P\'aramos This is my paper
classification 🌀 gr-qc
keywords curvature-mattergravitymodifiedappearanceappropriateconditionscontextcoupling
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Recently, in the context of f(R) modified theories of gravity, it was shown that a curvature-matter coupling induces a non-vanishing covariant derivative of the energy-momentum, implying non-geodesic motion and, under appropriate conditions, leading to the appearance of an extra force. We study the implications of this proposal and discuss some directions for future research.

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