Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Arvin Ravanpak"'
Publikováno v:
International Journal of Modern Physics D. 30
In this paper, we study a constant-roll inflationary model in the context of brane-world cosmology caused by a quintessence scalar field for warm inflation with a constant dissipative parameter [Formula: see text]. We determine the analytical solutio
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4123b49025c61ee2db3b14ccaffba908
https://doi.org/10.1142/s0218271821501169
https://doi.org/10.1142/s0218271821501169
Autor:
Arvin Ravanpak, Golnaz Farpour Fadakar
Publikováno v:
International Journal of Cosmology, Astronomy and Astrophysics. 1:11-15
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::691571d25190e21f1a0eaf2d93ddddf0
https://doi.org/10.18689/ijcaa-1000105
https://doi.org/10.18689/ijcaa-1000105
Autor:
Arvin Ravanpak, Golnaz Farpour Fadakar
In this manuscript we use the dynamical system approach to study the linear dynamics of a Randall-Sundrum braneworld model with a tachyon scalar field confined to the brane. We recognize that the form of the tachyon potential plays a significant role
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9f305d7b06290061667627f86ce2be5f
http://arxiv.org/abs/2005.10592
http://arxiv.org/abs/2005.10592
Autor:
Arvin Ravanpak, G. F. Fadakar
In this paper, we consider a normal branch of the DGP cosmological model with a quintessence scalar field on the brane as the dark energy component. Using the dynamical system approach, we study the stability properties of the model. We find that [Fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2b650fd34e3f8f45769c122675d2474
http://arxiv.org/abs/2003.10915
http://arxiv.org/abs/2003.10915
Autor:
Arvin Ravanpak, Golnaz Farpour Fadakar
A proposal to study the effect of interaction in an agegraphic dark energy model in DGP brane-world cosmology is presented in this paper. After explaining the details, we proceed to apply the dynamical system approach to the model to analyze its stab
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::151fe2f9995ee755d824c0a91d042c15
http://arxiv.org/abs/1908.05332
http://arxiv.org/abs/1908.05332
Autor:
Arvin Ravanpak, Golnaz Farpour Fadakar
Publikováno v:
Proceedings of The 39th International Conference on High Energy Physics — PoS(ICHEP2018).
One of the main aspects of physics beyond the standard model is the concept of extra dimensions. Among many extra dimensional cosmological models the so called DGP model (also called brane-induced gravity) with two branches (normal and self accelerat
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https://doi.org/10.22323/1.340.0736
https://doi.org/10.22323/1.340.0736
Autor:
Golnaz Farpour Fadakar, Arvin Ravanpak
The aim of this work is to apply the dynamical system approach to study the linear dynamics of the normal DGP brane-world model with agegraphic dark energy. The stability analysis of the model will be investigated and the phase plane portrait will be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca6089d4203cf85ee995e25a75edde93
http://arxiv.org/abs/1810.07407
http://arxiv.org/abs/1810.07407
We study $f(T)$ cosmological models inserting a non-vanishing spatial curvature and discuss its consequences on cosmological dynamics. To figure this out, a polynomial $f(T)$ model and a double torsion model are considered. We first analyze those mod
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bd14369e9fddd9df01cb7556b54cab95
http://hdl.handle.net/11588/717689
http://hdl.handle.net/11588/717689
The brane inflationary model inspired by a polytropic inflationary idea is studied. In the slow-roll approximation and high energy limit, for a chaotic potential, the model is developed, and its characteristics are discussed. We obtain explicit expre
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https://explore.openaire.eu/search/publication?articleId=doi_dedup___::88662fd4eb3f9c83ec829e0ab9041d95
The varying speed of light (VSL) has been used in cosmological models in which the physical constants vary over time. On the other hand, the Dvali, Gabadadze and Porrati (DGP) brane world model, especially its normal branch has been extensively discu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4b3ae618baf3c5648e54811831048de1