Cosmological Models and Latest Observational Data

Abstract

In this note, we consider the observational constraints on some cosmological models by using the 307 Union type Ia supernovae (SNIa), the 32 calibrated Gamma-Ray Bursts (GRBs) at $z>1.4$, the updated shift parameter $R$ from WMAP 5-year data (WMAP5), and the distance parameter $A$ of the measurement of the baryon acoustic oscillation (BAO) peak in the distribution of SDSS luminous red galaxies with the updated scalar spectral index $n_s$ from WMAP5. The tighter constraints obtained here update the ones obtained previously in the literature.

10 pages, 5 figures, 1 table, revtex4; v2: discussions added, accepted by Eur. Phys. J. C; v3: published version

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Cited by in corpus (21)

• Noether Symmetry in $f(T)$ Theory
• Cosmological Constraints on the Sign-Changeable Interactions
• Cosmological Applications of Pade Approximant
• Pilgrim Dark Energy
• A Strategy to Measure the Dark Energy Equation of State using the HII galaxy Hubble Relation & X-ray AGN Clustering: Preliminary Results
• Constraints on Cosmological Models and Reconstructing the Acceleration History of the Universe with Gamma-Ray Burst Distance Indicators
• Constraints on the generalized Chaplygin gas model including gamma-ray bursts via a Markov Chain Monte Carlo approach
• New agegraphic dark energy as a rolling tachyon
• Tension in the Recent Type Ia Supernovae Datasets
• Revisiting the Cosmological Constraints on the Interacting Dark Energy Models
• Quasi-Rip: A New Type of Rip Model without Cosmic Doomsday
• Calibration of GRB Luminosity Relations with Cosmography
• Agegraphic dark energy: growth index and cosmological implications
• Cosmological Constraints on Variable Warm Dark Matter
• From model dynamics to oscillating dark energy parameterisation
• Cosmological Constraints on the DGP braneworld model with Gamma-ray bursts
• Dark Energy Cosmology with the Alternative Cosmic Microwave Background Data
• Constraints on Cardassian universe from Gamma ray bursts
• New initial condition of the new agegraphic dark energy model
• Latest Cosmological Constraints on Cardassian expansion models including the updated Gamma-ray bursts
• Crossing the cosmological constant barrier with kinetically interacting double quintessence