Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Nouicer, Khireddine"'
The interaction between dark matter and dark energy has become a focal point in contemporary cosmological research, particularly in addressing current cosmological tensions. This study explores the cubic Galileon model's interaction with dark matter,
Externí odkaz:
http://arxiv.org/abs/2405.20240
Autor:
Clément, Gérard, Nouicer, Khireddine
Publikováno v:
Class. Quantum Grav. 41 (2024) 165005
The most general set of static and spherically symmetric solutions for conformal Killing gravity coupled to Maxwell fields is presented in closed form. These solutions, depending on six parameters, include non-asymptotically flat black holes or naked
Externí odkaz:
http://arxiv.org/abs/2404.00328
Autor:
Clément, Gérard, Nouicer, Khireddine
We reformulate our proof of the under-determination of Cotton gravity in terms of the Codazzi parametrization.
Comment: 5 pages
Comment: 5 pages
Externí odkaz:
http://arxiv.org/abs/2401.16008
Autor:
Clément, Gérard, Nouicer, Khireddine
Publikováno v:
Phys. Lett. B 856 (2024) 138947
It is well-known that the theory of Cotton gravity proposed by Harada is trivially solved by all isotropic and homogeneous cosmologies. We show that this under-determination is more general. More precisely, the degree of arbitrariness in the solution
Externí odkaz:
http://arxiv.org/abs/2312.17662
We study the existence and structure of static and slowly rotating neutron stars (NSs) in a particular truncation of scalar torsion theory with a scalar field $ \phi $ non-minimally coupled to the torsion scalar, and a potential of the form $ V(\phi)
Externí odkaz:
http://arxiv.org/abs/2305.12155
Autor:
Boumaza, Hamza, Nouicer, Khireddine
Publikováno v:
Phys. Rev. D 100, 124047 (2019)
We study a dark energy cubic bi-Galileons field model based on truncation of the recently proposed generalized covariant multi-Galileons model. We investigate the cosmological dynamic of the model by the theory of dynamical systems through the analys
Externí odkaz:
http://arxiv.org/abs/1909.07504
Akademický článek
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Autor:
Zaabat, Sihem, Nouicer, Khireddine
We consider the cosmological dynamics of the cubic Galileon field model interacting with dark matter, where the interaction between the cosmic dark sectors is proportional to Hubble parameter and dark energy density. The background field equations ar
Externí odkaz:
http://arxiv.org/abs/1807.00700
Autor:
Clément, Gérard, Nouicer, Khireddine
Publikováno v:
Classical and Quantum Gravity 35 (2018) 185010
We investigate stationary rotationally symmetric solutions of a particular truncation of Horndeski theory in three dimensions, including a non-minimal scalar kinetic coupling to the curvature. After discussing the special case of a vanishing scalar c
Externí odkaz:
http://arxiv.org/abs/1805.09796
Akademický článek
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