Novel couplings between nonmetricity and matter

6533b823fe1ef96bd127f66c

RESEARCH PRODUCT

Novel couplings between nonmetricity and matter

Tiberiu Harko Tomi S. Koivisto Gonzalo J. Olmo Francisco S. N. Lobo Rubiera-garcia Diego

subject

High Energy Physics - Theory High Energy Physics::Theory General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics (astro-ph.CO)High Energy Physics - Theory (hep-th)FOS: Physical sciences General Relativity and Quantum Cosmology (gr-qc)General Relativity and Quantum Cosmology Astrophysics - Cosmology and Nongalactic Astrophysics

description

We present a novel theory of gravity, namely, an extension of symmetric teleparallel gravity. This is done by introducing a new class of theories where the nonmetricity $Q$ is coupled nonminimally to the matter Lagrangian. This nonminimal coupling entails the nonconservation of the energy-momentum tensor, and consequently the appearance of an extra force. We also present several cosmological applications.

year	journal	country	edition	language
2019-01-03

http://arxiv.org/abs/1901.00805

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