搜索结果: 1-8 共查到“理学 cosmological model”相关记录8条 . 查询时间(0.093 秒)
A cyclic cosmological model based on the f(ρ) modified theory of gravity
modified gravity, dark energy, cosmology, nonsingular,cosmological constant
2011/8/26
We consider FLRW cosmological models for perfect fluid (with rho as the energy density) in the frame work of the f(rho) modified theory of gravity [V. N. Tunyak, Russ. Phys. J. 21, 1221 (1978); J. R. ...
Confidence Level Estimator for cosmological model
Confidence Level Estimator cosmological model
2011/1/13
Models of the Universe like the Concordance Model today used to interpret cosmological observations give expectation values for many cosmological observable so accurate that frequently peoples speak o...
L.R.S. Bianchi type II Stiff Fluid cosmological model with Decaying Vacuum Energy Density $\Lambda$ in general relativity
LRS Bianchi type II models Cosmological constant
2010/12/20
Locally rotationally symmetric (L.R.S.) Bianchi type II stiff fluid cos-mological model is investigated. To get the deterministic model of the universe, we have assumed a condition A = Bm between metr...
Tilted Bianchi Type I dust fluid magnetized cosmological model in general relativity
Bianchi type I dust fluid tilted models
2010/4/8
Tilted Bianchi Type I perfect fluid cosmological model in presence of magnetic field is investigated. To get a determinate solution, we assume p = 0 and A = BC, where A, B and C are metric potentials....
Kantowski-Sachs viscous fluid cosmological model with a varying L
Kantowski-Sachs viscous fluid model cosmology variable cosmological constant
2010/4/8
We study the Kantowski-Sachs cosmological model filled with viscous fluid in the presence of cosmological term L. To get a deterministic solution, a condition between metric potentials is used. The vi...
2005Vol.43No.5pp.957-960DOI:
Cosmological Model Based on Gauge Theory of Gravity
WU Ning
Institute of High Energy Physics, P.O. Box 918-1, Beijing 100039, China
...
Bianchi Type VI1 Viscous Fluid Cosmological Model in Wesson´s Theory of Gravitation
Gauge function viscous fluid scale invariant theory
2010/4/9
Field equations of a scale invariant theory of gravitation proposed by Wesson [1, 2] are obtained in the presence of viscous fluid with the aid of Bianchi type VIh space-time with the time dependent g...
An Open Singularity-Free Cosmological Model with Inflation
Open Singularity-Free Cosmological Inflation open universe
2010/4/13
In the light of recent observations which point to an open universe (W 0 < 1), we reconsider singularity-free models, originally constructed for closed universes. Our model starts from a nonsingular s...