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- Universidade Federal do Rio de JaneiroBR853 papers
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Showing 2021 · gr-qcShow all
3 papers · 2 filters
gr-qc2021★ 30 cited
Accretion disk around a Schwarzschild black hole in asymptotic safety
Fabián H. Zuluaga, Luis A. Sánchez
We study quantum gravity effects on radiation properties of thin accretion disks around a renormalization group improved (RGI-) Schwarzschild black hole. In the infrared (IR) limit…
gr-qc2021★ 3 cited
Black holes in asymptotic safety with higher derivatives: accretion and stability analysis
Fabián H. Zuluaga, Luis A. Sánchez
We review the issue of steady spherically symmetric accretion onto a renormalization group improved Schwarzschild space-time which is solution to an asymptotically safe theory (AS)…
gr-qc2021★ 12 cited
Anisotropic Scalar Field Dark Energy with a Disformally Coupled Yang-Mills Field
L. Gabriel Gomez, Yeinzon Rodriguez, Juan P. Beltran Almeida
In the context of scalar-tensor theories, the inclusion of new degrees of freedom coupled non-minimally to the gravitational sector might produce some appealing effects on the cosm…