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Mapping Ricci-based theories of gravity into general relativity

V. I. Afonso, G. J. Olmo, D. Rubiera-Garcia

Abstract
We show that the space of solutions of a wide class of Ricci-based metric-affine theories of gravity can be put into correspondence with the space of solutions of general relativity (GR). This allows us to use well-established methods and results from GR to explore new gravitational physics beyond it.

Physical Review D
Volume 97, Issue 2, Page 6
2018 January

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Instituto de Astrofísica e Ciências do Espaço Universidade do Porto Faculdade de Ciências da Universidade de Lisboa
Fundação para a Ciência e a Tecnologia COMPETE 2020 PORTUGAL 2020 União Europeia