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- Centre National de la Recherche ScientifiqueFR48 papers
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5 papers · 2 filters
Gravitational collapse and formation of a black hole in a type II minimally modified gravity theory
Antonio De Felice, Kei-ichi Maeda, Shinji Mukohyama +1
We study the spherically symmetric collapse of a cloud of dust in VCDM, a class of gravitational theories with two local physical degrees of freedom. We find that the collapse corr…
Dynamical systems analysis of tachyon dark energy model from a new perspective
Saddam Hussain, Saikat Chakraborty, Nandan Roy +1
In this work we present a new scheme to study the tachyon dark energy model using dynamical systems analysis by considering parametrization of the equation of state(EoS) of the dar…
Extended minimal theories of massive gravity
Antonio De Felice, Shinji Mukohyama, Masroor C. Pookkillath
In this work, we introduce a class of extended Minimal Theories of Massive Gravity (eMTMG), without requiring a priori that the theory should admit the same homogeneous and isotrop…
Dynamics of interacting scalar field model in the realm of chiral cosmology
Trupti Patil, Sukanta Panda, Manabendra Sharma +1
The strange behaviour of the universe's dark sector offers us the flexibility to address cosmological problems with different approaches. Using this flexibility, we consider a poss…
Cosmology in holographic non-minimal derivative coupling theory: constraints from inflation and variation of gravitational constant
Phichayoot Baisri, Burin Gumjudpai, Chonticha Kritpetch +1
We consider a cosmological model of non-minimal derivative coupling (NMDC) to gravity with holographic effect from Bekenstein-Hawking entropy using Hubble horizon IR cutoff. Hologr…