A nonlocal gravity model interpolates between MOND in bound systems and dark matter-like effects in cosmology.
Quantum Scalar Corrections to the Gravitational Potentials on de Sitter Background
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abstract
We employ the graviton self-energy induced by a massless, minimally coupled (MMC) scalar on de Sitter background to compute the quantum corrections to the gravitational potentials of a static point particle with a mass $M$. The Schwinger-Keldysh formalism is used to derive real and causal effective field equations. When evaluated at the one-loop order, the gravitational potentials exhibit a secular decrease in the observed gravitational coupling $G$. This can also be interpreted as a (time dependent) anti-screening of the mass $M$.
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UNVERDICTED 2representative citing papers
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Exact 1-loop corrections from matter loops enhance the decay of gravitational wave mode functions after horizon crossing during inflation, with stronger effects from minimally coupled scalars possibly interpreted as a shift in the Hubble parameter.