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Abstract:

We put limits on the time variation of the electron mass in the early universe using observational primordial abundances of D, 4He, and 7Li, recent data from the cosmic microwave background, and the 2dFGRS power spectrum. Furthermore, we use these constraints together with other astronomical and geophysical bounds from the late universe to test the Barrow-Magueijo model for the variation in me. From our analysis we obtain -0.615 < Gω/c4 < -0.045 (3 σ interval), in disagreement with the result obtained in the original paper. © 2008. The American Astronomical Society. All rights reserved.

Registro:

Documento: Artículo
Título:Time variation of the electron mass in the early universe and the barrow-magueijo model
Autor:Scóccola, C.G.; Mosquera, M.E.; Landau, S.J.; Vucetich, H.
Filiación:Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La Plata, Paseo del Bosque S/N, 1900 La Plata, Argentina
Instituto de Astrofísica La Plata
Departamento de Física, FCEyN, Ciudad Universitaria-Pab. 1, 1428 Buenos Aires, Argentina
Palabras clave:Cosmic microwave background; Cosmology: Theory; Early universe
Año:2008
Volumen:681
Número:2
Página de inicio:737
Página de fin:746
DOI: http://dx.doi.org/10.1086/588086
Título revista:Astrophysical Journal
Título revista abreviado:Astrophys. J.
ISSN:0004637X
PDF:https://bibliotecadigital.exactas.uba.ar/download/paper/paper_0004637X_v681_n2_p737_Scoccola.pdf
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_0004637X_v681_n2_p737_Scoccola

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Citas:

---------- APA ----------
Scóccola, C.G., Mosquera, M.E., Landau, S.J. & Vucetich, H. (2008) . Time variation of the electron mass in the early universe and the barrow-magueijo model. Astrophysical Journal, 681(2), 737-746.
http://dx.doi.org/10.1086/588086
---------- CHICAGO ----------
Scóccola, C.G., Mosquera, M.E., Landau, S.J., Vucetich, H. "Time variation of the electron mass in the early universe and the barrow-magueijo model" . Astrophysical Journal 681, no. 2 (2008) : 737-746.
http://dx.doi.org/10.1086/588086
---------- MLA ----------
Scóccola, C.G., Mosquera, M.E., Landau, S.J., Vucetich, H. "Time variation of the electron mass in the early universe and the barrow-magueijo model" . Astrophysical Journal, vol. 681, no. 2, 2008, pp. 737-746.
http://dx.doi.org/10.1086/588086
---------- VANCOUVER ----------
Scóccola, C.G., Mosquera, M.E., Landau, S.J., Vucetich, H. Time variation of the electron mass in the early universe and the barrow-magueijo model. Astrophys. J. 2008;681(2):737-746.
http://dx.doi.org/10.1086/588086