14 citations · 29 across the 3 of their papers we have counts for
11 papers
Exact Scalar-Tensor Cosmological Solutions via Noether Symmetry
J. A. Belinchón, T. Harko, M. K. Mak
In this paper, we investigate the Noether symmetries of a generalized scalar-tensor, Brans-Dicke type cosmological model, in which we consider explicit scalar field dependent coupl…
Wormhole geometries supported by quark matter at ultra-high densities
Tiberiu Harko, Francisco S. N. Lobo, M. K. Mak
A fundamental ingredient in wormhole physics is the presence of exotic matter, which involves the violation of the null energy condition. In this context, we investigate the possib…
A Riccati equation based approach to isotropic scalar field cosmologies
Tiberiu Harko, Francisco S. N. Lobo, M. K. Mak
Gravitationally coupled scalar fields , distinguished by the choice of an effective self-interaction potential , simulating a temporarily non-vanishing cosmological term,…
Isotropic stars in general relativity
M. K. Mak, T. Harko
We present a general solution of the Einstein gravitational field equations for the static spherically symmetric gravitational interior spacetime of an isotropic fluid sphere. The…
Arbitrary scalar field and quintessence cosmological models
Tiberiu Harko, Francisco S. N. Lobo, M. K. Mak
The mechanism of the initial inflationary scenario of the universe and of its late-time acceleration can be described by assuming the existence of some gravitationally coupled scal…
Wormhole geometries in Eddington-inspired Born-Infeld gravity
Tiberiu Harko, Francisco S. N. Lobo, M. K. Mak +1
Eddington-inspired Born-Infeld gravity (EiBI) gravity is a recently proposed modified theory of gravity, based on the classic work of Eddington and on Born-Infeld nonlinear electro…