A new class of holographic dark energy models in LRS Bianchi Type-I

2021/12/29 by Anirudh Pradhan, Vinod Kumar Bhardwaj, Archana Dixit +1
Physics and Astronomy · #Astrophysics #Black Holes and Theoretical Physics #Classical mechanics #Cosmology #Cosmology and Gravitation Theories #Dark energy #Deceleration parameter #Galaxies: Formation, Evolution, Phenomena #Geometry #Lambda #Mathematical physics #Omega #Physics #Plane (geometry) #Quantum mechanics #Quintessence #Redshift #Scalar field #Tachyon #Theoretical physics #Type (biology) #gr-qc

paper · pdf · doi:10.1142/s0217751x21502560

published as International Journal of Modern Physics A, Vol. 36, No. 36 (2021) 2150256 · 19 pages, 15 figures

openalex publication_date 2021/12/29 · arxiv created 2022/03/11 · arxiv updated 2022/03/14 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05

Abstract

In this paper, we examine the (LRS) Bianchi-type-I cosmological model with holographic dark energy. The exact solutions to the corresponding field equations are obtained by using generalized hybrid expansion law (HEL). The EoS parameter ω for DE is found to be time dependent and redshift dependent and its exiting range for derived model is agreeing well with the current observations. Here we likewise apply two mathematical diagnostics, the statefinder (r, s) and ω_d-ω^'_d plane to segregate HDE model from the ΛCDM model. Here the ω_d-ω^'_d diagnostic trajectories is the good tool to classifying the dynamical DE model. We found that our model lies in both thawing region and freezing region. We have also construct the potential as well as dynamics of the quintessence and tachyon scalar field. Some physical and geometric properties of this model along with the physical acceptability of cosmological solution have been discussed in detail.

Citations

• Kinematic constraints to the transition redshift from supernovae type Ia union data
• Measurements of Ω and Λ from 42 High‐Redshift Supernovae
• Unifying inflation with dark energy in modified F(R) Hořava–Lifshitz gravity
• Modified holographic Ricci dark energy coupled to interacting dark matter and a non-interacting baryonic component
• Statefinder—A new geometrical diagnostic of dark energy
• Interacting vectorlike dark energy, the first and second cosmological coincidence problems
• New infrared cut-off for the holographic scalar fields models of dark energy
• Dark energy cosmology: the equivalent description via different theoretical models and cosmography tests
• Probing for dynamics of dark energy and curvature of universe with latest cosmological observations
• Accelerating Bianchi Type-V Cosmology with Perfect Fluid and Heat Flow in Sáez-Ballester Theory
• Time Drift of Cosmological Redshifts as a Test of the Copernican Principle
• Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
• Particle creation by black holes
• Dynamics of dark energy
• The time evolution of cosmological redshift as a test of dark energy
• The world as a hologram
• Black Holes and Entropy
• FIVE-YEARWILKINSON MICROWAVE ANISOTROPY PROBEOBSERVATIONS: COSMOLOGICAL INTERPRETATION
• The Large-N Limit of Superconformal Field Theories and Supergravity
• 15-digit accuracy calculations of Ambartsumian-Chandrasekhar’s H H -functions for four-term phase functions with the double-exponential formula
• The Scale Factor in the Universe with Dark Energy
• Rolling Tachyon
• Rényi holographic dark energy in higher dimension Cosmology
• The large N limit of superconformal field theories and supergravity