Einstein's other gravity and the acceleration of the Universe

By Eric Linder. 2010

854 citations recorded by the source corpus.

Spacetime curvature plays the primary role in general relativity but Einstein later considered a theory where torsion was the central quantity. Just as the Einstein-Hilbert action in the Ricci curvature scalar R can be generalized to f(R) gravity, we consider extensions of teleparallel, or torsion scalar T, gravity to f(T) theories. The field equations are naturally second order, avoiding pathologies, and can give rise to cosmic acceleration with unique features.

Subfields: Astronomy and Astrophysics, Nuclear and High Energy Physics

View Paper: https://www.semanticscholar.org/paper/258efb52c2a78568040defa05be0d2cd4e6ca635

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In Astronomy and Astrophysics

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Citations in the corpus

Bouncing cosmology in f(Q) symmetric teleparallel gravity (2020, background): “[11] E.”
f(T) teleparallel gravity and cosmology (2015, methodology): “To be explicit, one may consider a power-law model of the following form [190, 191]:”