搜索结果: 1-15 共查到“理学 Holographic”相关记录68条 . 查询时间(0.084 秒)
Holographic Dark Energy Characterized by the Total Comoving Horizon and Insights to Cosmological Constant and Coincidence Problem
Holographic Dark Energy the Total Comoving Horizon Insights Cosmological Constant Coincidence Problem
2012/2/21
The observed acceleration of the present universe is shown to be well explained by the holographic dark energy characterized by the total comoving horizon of the universe ($\eta$HDE). It is of interes...
Interacting dark matter and modified holographic Ricci dark energy induce a relaxed Chaplygin gas
interaction modifi ed Ricci’s cutoff dark energy dark matter relaxed Chaplygin gas
2011/10/13
We investigate a model of interacting dark matter and dark energy given by a modified holographic Ricci's cutoff in a spatially flat Friedmann-Robertson-Walker (FRW) space-time. We consider a non line...
Power-law entropy corrected new holographic scalar field models of dark energy
Power-law holographic scalar field models dark energy PLECHDE model
2011/8/11
Abstract: In this work, the PLECHDE model with Granda-Oliveros infrared cutoff is studied and the evolution of dark energy density, deceleration and EoS parameters are calculated. I demonstrate that u...
Holographic Measurement and Improvement of the Green Bank Telescope Surface
cosmology:large-scale structure gravitational lensing methods:analytical
2011/10/8
The topic of this article is weak cosmic shear tomography where the line of sight-weighting is carried out with a set of specifically constructed orthogonal polynomials, dubbed TaRDiS (Tomography with...
Holographic Measurement and Improvement of the Green Bank Telescope Surface
Holographic Measurement Improvement Green Bank Telescope Surface
2011/10/8
We describe the successful design, implementation, and operation of a 12 GHz holography system installed on the Robert C. Byrd Green Bank Telescope (GBT). We have used a geostationary satellite beacon...
Statefinder Description in Generalized Holographic and Ricci Dark Energy Models
Statefinder Ricci Dark Energy Models
2011/9/7
We have considered the generalized holographic and generalized Ricci dark energy models for acceleration of the universe. If the universe filled with only GHDE/GRDE the corresponding decel-eration par...
Analytic holographic superconductor with Weyl Corrections
Classical Black holes Gauge/string duality High-TC superconductors theory
2011/8/26
We study analytical properties of the holographic superconductors with Weyl corrections. We describe the phenomena in the probe limit neglecting backreaction of the space-time. We observe that for the...
Study of Thermodynamics in Generalized Holographic and Ricci Dark Energy Models
Thermodynamics Holographic and Ricci Dark Energy Models
2011/9/6
We have considered the flat FRW model of the universe which is filled with the combination of dark matter and dark energy. Here we have considered two types of dark energy models: (i)Generalized holog...
Holographic Scalar Fields Models of Dark Energy
Holographic Scalar Fields Models Dark Energy
2011/9/7
Many theoretical attempts toward reconstructing the potential and dynamics of the scalar fields have been done in the literature by establishing a connection between holographic/agegraphic energy dens...
Gauss-Bonnet holographic superconductors with magnetic field
We study the Gauss-Bonnet (GB) holographic superconductors with an external magnetic field. We describe the phenomena away from the probe limit. We derive
2011/8/29
We study the Gauss-Bonnet (GB) holographic superconductors with an external magnetic field. We describe the phenomena away from the probe limit. We derive
the critical magnetic field of the GB hologr...
Fuzzy Geometry via the Spinor Bundle, with Applications to Holographic Space-time and Matrix Theory
Fuzzy Geometry the Spinor Bundle Holographic Space-time Matrix Theory
2011/7/27
Abstract: We present a new framework for defining fuzzy approximations to geometry in terms of a cutoff on the spectrum of the Dirac operator, and a generalization of it that we call the Dirac-Flux op...
By assuming that a dark component (dark energy) in the universe strictly obeys the holographic principle, that is, its entropy is one fourth of the apparent horizon, we find that the existence of the...
Holographic fermions in external magnetic fields
Holographic fermions external magnetic fields
2010/12/23
We study the Fermi level structure of 2+1-dimensional strongly interacting electron systems in external magnetic field using the AdS/CFT correspondence. The gravity dual of a finite density fermion s...
Observational signatures of holographic models of inflation
Observational signatures holographic models
2011/1/13
We discuss the phenomenology of recently proposed holographic models of inflation, in which the very early universe is non-geometric and is described by a dual three-dimensional quantum field theory (...
Symmetry energy of dense matter in holographic QCD
Symmetry energy dense matter holographic QCD
2010/12/24
We study the nuclear symmetry energy of dense matter using holographic QCD. To this end, we consider two flavor branes with equal quark masses in a D4/D6/D6 model. We find that at high density the sym...