Antimatter in Hidden Dimensions: A Possible Origin of Dark Energy
ABSTRACT This paper presents a possible origin of dark energy, which is believed to be the cause of accelerated expansion ...
Tag: Dark energy
Polytropic Tachyon Scalar Field Model in 5-dimensional Universe
ABSTRACT Recent astrophysical observations show that the universe has entered a late-time accelerated expansion period. It is commonly accepted that ...
A Theoretical Study of the Characteristics of Time Evolution of Some Cosmological Parameters
ABSTRACT In the present study we have determined the nature of time dependence of various cosmological parameters with the help ...
A Study of Some Characteristics of the Accelerated Expansion of the Universe in the Framework of Brans-Dicke Theory
ABSTRACT In the framework of the generalized Brans-Dicke theory of gravity, time dependence of various cosmological parameters has been determined ...
A Dark Energy Model in Kaluza-Klein Framework with a Time Dependent Cosmological Constant
ABSTRACT We formulate a cosmological model under the Kaluza-Klein framework, in flat space, to determine the nature of time dependence ...
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