Holographic dark energy linearly interacting with dark matter

We investigate a spatially flat Friedmann-Robertson-Walker (FRW) cosmological model with cold dark matter coupled to a modified holographic Ricci dark energy through a general interaction term linear in the energy densities of dark matter and dark energy, the total energy density and its derivative...

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Autores principales: Chimento, Luis Pascual, Forte, Mónica Isabel, Richarte, Martín Gustavo
Publicado: 2012
Acceso en línea:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0094243X_v1471_n_p39_Chimento
http://hdl.handle.net/20.500.12110/paper_0094243X_v1471_n_p39_Chimento
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Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires
id paper:paper_0094243X_v1471_n_p39_Chimento
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spelling paper:paper_0094243X_v1471_n_p39_Chimento2023-06-08T15:09:12Z Holographic dark energy linearly interacting with dark matter Chimento, Luis Pascual Forte, Mónica Isabel Richarte, Martín Gustavo We investigate a spatially flat Friedmann-Robertson-Walker (FRW) cosmological model with cold dark matter coupled to a modified holographic Ricci dark energy through a general interaction term linear in the energy densities of dark matter and dark energy, the total energy density and its derivative 1. Using the statistical method of X2-function for the Hubble data, we obtain H0 = 73.6km/sMpc, ωs = -0.842 for the asymptotic equation of state and zacc = 0.89. The estimated values of Ωc0 which fulfill the current observational bounds corresponds to a dark energy density varying in the range 0.25R < ρx < 0.27R. © 2012 American Institute of Physics. Fil:Chimento, L.P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Forte, M.I. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Richarte, M.G. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2012 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0094243X_v1471_n_p39_Chimento http://hdl.handle.net/20.500.12110/paper_0094243X_v1471_n_p39_Chimento
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description We investigate a spatially flat Friedmann-Robertson-Walker (FRW) cosmological model with cold dark matter coupled to a modified holographic Ricci dark energy through a general interaction term linear in the energy densities of dark matter and dark energy, the total energy density and its derivative 1. Using the statistical method of X2-function for the Hubble data, we obtain H0 = 73.6km/sMpc, ωs = -0.842 for the asymptotic equation of state and zacc = 0.89. The estimated values of Ωc0 which fulfill the current observational bounds corresponds to a dark energy density varying in the range 0.25R < ρx < 0.27R. © 2012 American Institute of Physics.
author Chimento, Luis Pascual
Forte, Mónica Isabel
Richarte, Martín Gustavo
spellingShingle Chimento, Luis Pascual
Forte, Mónica Isabel
Richarte, Martín Gustavo
Holographic dark energy linearly interacting with dark matter
author_facet Chimento, Luis Pascual
Forte, Mónica Isabel
Richarte, Martín Gustavo
author_sort Chimento, Luis Pascual
title Holographic dark energy linearly interacting with dark matter
title_short Holographic dark energy linearly interacting with dark matter
title_full Holographic dark energy linearly interacting with dark matter
title_fullStr Holographic dark energy linearly interacting with dark matter
title_full_unstemmed Holographic dark energy linearly interacting with dark matter
title_sort holographic dark energy linearly interacting with dark matter
publishDate 2012
url https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0094243X_v1471_n_p39_Chimento
http://hdl.handle.net/20.500.12110/paper_0094243X_v1471_n_p39_Chimento
work_keys_str_mv AT chimentoluispascual holographicdarkenergylinearlyinteractingwithdarkmatter
AT fortemonicaisabel holographicdarkenergylinearlyinteractingwithdarkmatter
AT richartemartingustavo holographicdarkenergylinearlyinteractingwithdarkmatter
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