搜索结果: 1-7 共查到“相对论与引力场 models”相关记录7条 . 查询时间(0.11 秒)
Solvable K-essence Cosmologies and Modified Chaplygin Gas Unified Models of Dark Energy and Dark Matter
Solvable K-essence Cosmologies Modified Chaplygin Gas Unified Models of Dark Energy Dark Matter
2012/4/20
This paper is devoted to the investigation of modified Chaplygin gas model in the context of solvable k-essence cosmologies. For this purpose, we construct equations of state parameter of this model f...
Background independent condensed matter models for quantum gravity
Background independent condensed matter models quantum gravity
2010/12/20
A number of recent proposals for a quantum theory of gravity are based on the idea that spacetime geometry and gravity are derivative concepts and only apply at an approximate level. There are two fun...
Late time behavior of closed isotropic models in second order gravity theory
closed isotropic models order gravity theory
2010/3/17
Homogeneous and isotropic closed models are studied in both the Einstein and the Jordan frame of the second order gravity theory. The normal form of the dynamical system has periodic solutions for a l...
Relativistic Bose-Einstein Condensates: a New System for Analogue Models of Gravity
relativistic Bose–Einstein condensate analogue models of gravity
2010/3/17
In this paper we propose to apply the analogy between gravity and condensed matter physics to relativistic Bose-Einstein condensates, i.e. condensates composed by relativistic constituents. While such...
Five Dimensional Stiff Fluid Models in Lyra Geometry
Five dimensional cosmological model stiff fluid Lyra geometry
2010/4/8
We have constructed stiff fluid cosmological models in five dimensional space-time based on Lyra geometry. Some physical and geometrical properties of the models are discussed.
Five Dimensional Anisotropic Homogeneous Cosmological Models in Second Self Creation Theory of Gravitation
Five dimensions self creation theory anisotropic spacetime
2010/4/9
Five dimensional homogeneous anisotropic cosmological models in Barber's second self creation theory are constructed when the gravitational field is generated by a perfect fluid. Under the power law d...
Chaos in Closed Isotropic Cosmological Models with Steep Scalar Field Potential
Closed Isotropic Cosmological Steep Scalar Field Potential
2010/4/15
The dynamics of closed scalar field FRW cosmological models is studied for several types of exponentially and more than exponentially steep potentials. The parameters of scalar field potentials which ...
