The periodic universe with varying deceleration parameter of the second degree
Sign Up to like & getrecommendations! Published in 2019 at "Astrophysics and Space Science"
DOI: 10.1007/s10509-019-3625-x
Abstract: In the present paper, we propose a new law for the deceleration parameter of the second degree of the time. Our law tells us about the behavior of the universe. According to our law, the… read more here.
Keywords: deceleration parameter; parameter second; law; second degree ... See more keywords
Cosmological models in Sáez-Ballester theory with bilinear varying deceleration parameter
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DOI: 10.1007/s10509-020-03790-w
Abstract: The basic purpose of this communication, is to investigate the dynamical nature of Bianchi type-I universe with perfect fluid content in Sáez-Ballester (SB) theory (Phys. Lett. A 113:467–470, 1986 ). We got the solution of… read more here.
Keywords: deceleration parameter; ballester theory; time; varying deceleration ... See more keywords
Tsallis holographic dark energy in FRW universe with time varying deceleration parameter
Sign Up to like & getrecommendations! Published in 2019 at "New Astronomy"
DOI: 10.1016/j.newast.2019.101281
Abstract: Abstract By considering the time-varying deceleration parameter (DP), we have investigated Tsallis holographic dark energy (THDE), infrared cut-off with the Hubble horizon proposed by Tavayef, et al. (2018) in the framework of Friedmann Robertson Walker universe.… read more here.
Keywords: holographic dark; deceleration parameter; parameter; time varying ... See more keywords
Galaxy rotation curves and the deceleration parameter in weak gravity
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DOI: 10.1142/s0217732317300191
Abstract: We present a theory of weak gravity parametrized by a fundamental frequency ω0 = 1 − qH of the cosmological horizon, where H and q denote the Hubble and, respectively, deceleration parameter. It predicts (i) a… read more here.
Keywords: galaxy rotation; deceleration parameter; rotation curves; weak gravity ... See more keywords