Bianchi-I anisotropic universe with Barrow holographic dark energy

In this paper, we study Bianchi type-I universe in the presence of Barrow holographic dark energy and matter. Anisotropic cosmological model is explored here using the recently proposed holographic principle by Barrow where the standard Bekenstein–Hawking entropy is a special case. The holographic d...

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Bibliographic Details
Published in:The European physical journal. C, Particles and fields Particles and fields, 2022, Vol.82 (1), p.1-7, Article 76
Main Authors: Paul, Bikash Chandra, Roy, Bikash Chandra, Saha, Arindam
Format: Article
Language:English
Subjects:
Anisotropy
Astronomical models
Astronomy
Astrophysics and Cosmology
Cosmology
Dark energy
Elementary Particles
Equations of state
Flux density
Hadrons
Heavy Ions
Holography
Measurement Science and Instrumentation
Nuclear Energy
Nuclear Physics
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quintessence (cosmology)
Regular Article - Theoretical Physics
Specific gravity
String Theory
Universe
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Summary:In this paper, we study Bianchi type-I universe in the presence of Barrow holographic dark energy and matter. Anisotropic cosmological model is explored here using the recently proposed holographic principle by Barrow where the standard Bekenstein–Hawking entropy is a special case. The holographic dark energy is employed to investigate the evolution of matter density and the dark energy density in an anisotropic Bianchi-I universe. The equation of state parameter of the dark energy is found to lie in the quintessence or in the phantom regime at the present epoch depending on the value of the new exponent and anisotropy in the universe. We found that an anisotropic universe with higher anisotropy transits to a late accelerating phase before a universe with lower anisotropy. It is also observed that the new exponent plays an important role to identify the nature of the universe.
ISSN:1434-6044
1434-6052
DOI:10.1140/epjc/s10052-022-10041-5