Published February 2015 | Version v1
Journal article Metadata-only

The role of potential in the ghost-condensate dark energy model

Creators

  • 1. Presidency University, Department of Physics, Kolkata (India)
  • 2. Barasat Govt. College, Department of Physics, Kolkata (India)
  • 3. West Bengal State University, Department of Physics, Paraganas, West Bengal (India)

Description

We consider the ghost-condensate model of dark energy with a generic potential term. The inclusion of the potential is shown to give greater freedom in realising the phantom regime. The self-consistency of the analysis is demonstrated using WMAP7 + BAO + Hubble data. (orig.)

Availability note (English)

Available from: http://dx.doi.org/10.1140/epjc/s10052-015-3301-4

Additional details

Identifiers

DOI
10.1140/epjc/s10052-015-3301-4;

Publishing Information

Journal Title
European physical journal. C, Particles and fields (Internet)
Journal Volume
75
Journal Issue
2
Journal Page Range
p. 1-8
ISSN
1434-6052

INIS

Country of Publication
Germany
Country of Input or Organization
Germany
INIS RN
46041732
Subject category
S79: ASTROPHYSICS, COSMOLOGY AND ASTRONOMY;
Descriptors DEI
BOSE-EINSTEIN CONDENSATION; COSMOLOGICAL MODELS; EINSTEIN FIELD EQUATIONS; ENERGY DENSITY; ENERGY-MOMENTUM TENSOR; EQUATIONS OF STATE; FLUIDS; LAGRANGE EQUATIONS; LAGRANGIAN FIELD THEORY; NONLINEAR PROBLEMS; NONLUMINOUS MATTER; POTENTIALS; SCALAR FIELDS; SCALING LAWS; SELF-ENERGY; TIME DEPENDENCE
Descriptors DEC
DIFFERENTIAL EQUATIONS; ENERGY; EQUATIONS; FIELD EQUATIONS; FIELD THEORIES; MATHEMATICAL MODELS; MATTER; PARTIAL DIFFERENTIAL EQUATIONS; QUANTUM FIELD THEORY; TENSORS