Search Results - "Rodrigues, Davi C"
-
1
Cosmological framework for renormalization group extended gravity at the action level
Published in The European physical journal. C, Particles and fields (01-05-2020)“…General relativity (GR) extensions based on renormalization group (RG) flows may lead to scale-dependent couplings with nontrivial effects at large distance…”
Get full text
Journal Article -
2
Erratum to: Cosmological framework for renormalization group extended gravity at the action level
Published in The European physical journal. C, Particles and fields (01-07-2020)“…The original version of this article used both the symbols…”
Get full text
Journal Article -
3
Constraints on cosmologically coupled black holes from gravitational wave observations and minimal formation mass
Published in Monthly notices of the Royal Astronomical Society (23-01-2024)“…ABSTRACT We test the possibility that the black holes (BHs) detected by LIGO-Virgo-KAGRA (LVK) may be cosmologically coupled and grow in mass proportionally to…”
Get full text
Journal Article -
4
Absence of a fundamental acceleration scale in galaxies
Published in Nature astronomy (01-08-2018)“…Dark matter is currently one of the main mysteries of the Universe. There is much strong indirect evidence that supports its existence, but there is yet no…”
Get full text
Journal Article -
5
A fundamental test for MOND
Published in Monthly notices of the Royal Astronomical Society (11-05-2020)“…ABSTRACT The radial acceleration relation (RAR) shows a strong correlation between two accelerations associated with galaxy rotation curves. The relation…”
Get full text
Journal Article -
6
On Rastall gravity formulation as a f(R,Lm) and a f(R, T) theory
Published in European physical journal plus (11-03-2023)“…Rastall introduced a stress-energy tensor whose divergence is proportional to the gradient of the Ricci scalar. This proposal leads to a change in the form of…”
Get full text
Journal Article -
7
Modified gravity models and the central cusp of dark matter haloes in galaxies
Published in Monthly notices of the Royal Astronomical Society (21-12-2014)“…The N-body dark matter (DM) simulations point that DM density profiles, e.g. the Navarro–Frenk–White (NFW) halo, should be cuspy in its centre, but…”
Get full text
Journal Article -
8
A method for evaluating models that use galaxy rotation curves to derive the density profiles
Published in Monthly notices of the Royal Astronomical Society (01-11-2016)“…There are some approaches, either based on General Relativity (GR) or modified gravity, that use galaxy rotation curves to derive the matter density of the…”
Get full text
Journal Article -
9
Reply to ‘Presence of a fundamental acceleration scale in galaxies’ and ‘A common Milgromian acceleration scale in nature’
Published in Nature astronomy (01-12-2018)Get full text
Journal Article -
10
Reply to: Overconfidence in Bayesian analyses of galaxy rotation curves
Published in Nature astronomy (01-02-2020)Get full text
Journal Article -
11
Normalized additional velocity distribution: Testing the radial profile of dark matter halos and MOND
Published in PHYSICS OF THE DARK UNIVERSE (01-08-2023)“…We propose a complementary and fast approach to study galaxy rotation curves directly from the sample data, instead of individual fits. With this approach,…”
Get full text
Journal Article -
12
Evidence against cuspy dark matter haloes in large galaxies
Published in Monthly notices of the Royal Astronomical Society (11-09-2017)“…Abstract We develop and apply new techniques to uncover systematic effects in galaxy rotation curves (RCs). Considering that an ideal dark matter (DM) profile…”
Get full text
Journal Article -
13
Rastall cosmology and the Λ CDM model
Published in Physical review. D, Particles, fields, gravitation, and cosmology (06-04-2012)Get full text
Journal Article -
14
Scale-dependent cosmology from effective quantum gravity in the invariant framework
Published in PHYSICS OF THE DARK UNIVERSE (01-07-2024)“…We explore the possibility of a consistent cosmology based on the gauge-fixing independent running of the gravitational and cosmological constants (G and Λ) in…”
Get full text
Journal Article -
15
Scalar–tensor theories with an external scalar
Published in General relativity and gravitation (01-06-2016)“…Scalar–tensor (ST) gravity is considered in the case where the scalar is an external field. We show that general relativity (GR) and usual ST gravity are…”
Get full text
Journal Article -
16
Anisotropic cosmological constant and the CMB quadrupole anomaly
Published in Physical review. D, Particles, fields, gravitation, and cosmology (01-01-2008)Get full text
Journal Article -
17
Cosmological coupling of local gravitational systems
Published 10-06-2024“…We investigate the cosmological coupling of spherical, local astrophysical systems. We derive a general formula quantifying the cosmological coupling of the…”
Get full text
Journal Article -
18
Scale-dependent cosmology from effective quantum gravity in the invariant framework
Published 17-04-2024“…We explore the possibility of a consistent cosmology based on the gauge-fixing independent running of the gravitational and cosmological constants ($G$ and…”
Get full text
Journal Article -
19
Constraints on cosmologically coupled black holes from gravitational wave observations and minimal formation mass
Published 13-01-2024“…MNRAS, 528 (2024) 2 We test the possibility that the black holes (BHs) detected by LIGO-Virgo-KAGRA (LVK) may be cosmologically coupled and grow in mass…”
Get full text
Journal Article -
20
The radial acceleration relation and its emergent nature
Published 25-05-2020“…Proc. IAU 15 (2020) 457-459 We review some of our recent results about the Radial Acceleration Relation (RAR) and its interpretation as either a fundamental or…”
Get full text
Journal Article