Works matching AU Ntahompagaze, Joseph

Results: 18

On covariant perturbations with scalar field in modified Gauss–Bonnet gravity.

Published in:

European Physical Journal C -- Particles & Fields, 2024, v. 84, n. 1, p. 1, doi. 10.1140/epjc/s10052-023-12381-2

By:

Munyeshyaka, Albert;
Ntahompagaze, Joseph;
Mutabazi, Tom;
Mbonye, Manasse

Publication type:

Article

Perturbations in the interacting vacuum.

Published in:

International Journal of Geometric Methods in Modern Physics, 2023, v. 20, n. 3, p. 1, doi. 10.1142/S0219887823500470

By:

Munyeshyaka, Albert;
Ntahompagaze, Joseph;
Mutabazi, Tom;
Mbonye, Manasse R.;
Ayirwanda, Abraham;
Twagirayezu, Fidele;
Abebe, Amare

Publication type:

Article

Multifluid cosmology in f(G) gravity.

Published in:

International Journal of Geometric Methods in Modern Physics, 2023, v. 20, n. 2, p. 1, doi. 10.1142/S0219887823500317

By:

Munyeshyaka, Albert;
Ayirwanda, Abraham;
Twagirayezu, Fidele;
Murorunkwere, Beatrice;
Ntahompagaze, Joseph

Publication type:

Article

On inflationary parameters in scalar–tensor theories.

Published in:

International Journal of Geometric Methods in Modern Physics, 2022, v. 19, n. 10, p. 1, doi. 10.1142/S0219887822501456

By:

Murorunkwere, Beatrice;
Twagirayezu, Fidele;
Munyeshyaka, Albert;
Ntahompagaze, Joseph;
Ayirwanda, Abraham

Publication type:

Article

Inflationary constraints in teleparallel gravity theory.

Published in:

International Journal of Geometric Methods in Modern Physics, 2021, v. 18, n. 2, p. N.PAG, doi. 10.1142/S0219887821500274

By:

Sahlu, Shambel;
Ntahompagaze, Joseph;
Abebe, Amare;
Mota, David F.

Publication type:

Article

1 + 3 covariant perturbations in power-law f(R) gravity.

Published in:

European Physical Journal C -- Particles & Fields, 2021, v. 81, n. 4, p. 1, doi. 10.1140/epjc/s10052-021-09134-4

By:

Murorunkwere, Beatrice;
Ntahompagaze, Joseph;
Jurua, Edward

Publication type:

Article

Scalar perturbations in f(T) gravity using the 1+3 covariant approach.

Published in:

European Physical Journal C -- Particles & Fields, 2020, v. 80, n. 5, p. 1, doi. 10.1140/epjc/s10052-020-7961-3

By:

Sahlu, Shambel;
Ntahompagaze, Joseph;
Abebe, Amare;
de la Cruz-Dombriz, Álvaro;
Mota, David F.

Publication type:

Article

The Chaplygin gas as a model for modified teleparallel gravity?

Published in:

European Physical Journal C -- Particles & Fields, 2019, v. 79, n. 9, p. N.PAG, doi. 10.1140/epjc/s10052-019-7226-1

By:

Sahlu, Shambel;
Ntahompagaze, Joseph;
Elmardi, Maye;
Abebe, Amare

Publication type:

Article

Accelerating universe in modified teleparallel gravity theory.

Published in:

Proceedings of the International Astronomical Union, 2019, v. 15, n. S356, p. 397, doi. 10.1017/S1743921320003567

By:

Sahlu, Shambel;
Ntahompagaze, Joseph;
Abebe, Amare;
Mota, David F.

Publication type:

Article

Inflation constraints for classes of f(R) models.

Published in:

International Journal of Geometric Methods in Modern Physics, 2018, v. 15, n. 12, p. N.PAG, doi. 10.1142/S0219887818502092

By:

Ntahompagaze, Joseph;
Damascène Mbarubucyeye, Jean;
Sahlu, Shambel;
Abebe, Amare

Publication type:

Article

Reconstructing gravity from a Chaplygin scalar field in de Sitter spacetimes.

Published in:

International Journal of Geometric Methods in Modern Physics, 2018, v. 15, n. 2, p. -1, doi. 10.1142/S0219887818500275

By:

Sami, Heba;
Namane, Neo;
Ntahompagaze, Joseph;
Elmardi, Maye;
Abebe, Amare

Publication type:

Article

On gravity in scalar-tensor theories.

Published in:

International Journal of Geometric Methods in Modern Physics, 2017, v. 14, n. 7, p. -1, doi. 10.1142/S0219887817501079

By:

Ntahompagaze, Joseph;
Abebe, Amare;
Mbonye, Manasse

Publication type:

Article

On Chaplygin models in f(G) gravity.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2023, v. 32, n. 11, p. 1, doi. 10.1142/S021827182350061X

By:

Twagirayezu, Fidele;
Ayirwanda, Abraham;
Munyeshyaka, Albert;
Mukeshimana, Solange;
Ntahompagaze, Joseph;
Uwimbabazi, Leon Fidele Ruganzu

Publication type:

Article

On 1+3 covariant perturbations of the quasi-Newtonian spacetime in modified Gauss–Bonnet gravity.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2023, v. 32, n. 9, p. 1, doi. 10.1142/S0218271823500530

By:

Munyeshyaka, Albert;
Ntahompagaze, Joseph;
Mutabazi, Tom;
Mbonye, Manasse R.

Publication type:

Article

Large-scale structure power spectrum from scalar–tensor gravity.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2022, v. 31, n. 9, p. 1, doi. 10.1142/S0218271822500717

By:

Ntahompagaze, Joseph;
Abebe, Amare;
Mbonye, Manasse R.

Publication type:

Article

Cosmological perturbations in f(G) gravity.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2021, v. 30, n. 7, p. N.PAG, doi. 10.1142/S021827182150053X

By:

Munyeshyaka, Albert;
Ntahompagaze, Joseph;
Mutabazi, Tom

Publication type:

Article

On multifluid perturbations in scalar–tensor cosmology.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2020, v. 29, n. 16, p. N.PAG, doi. 10.1142/S0218271820501205

By:

Ntahompagaze, Joseph;
Sahlu, Shambel;
Abebe, Amare;
Mbonye, Manasse R.

Publication type:

Article

A study of perturbations in scalar-tensor theory using covariant approach.

Published in:

International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2018, v. 27, n. 3, p. -1, doi. 10.1142/S0218271818500335

By:

Ntahompagaze, Joseph;
Abebe, Amare;
Mbonye, Manasse

Publication type:

Article