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Abstract:

We reevaluate the predictions of inflation regarding primordial gravity waves, which should appear as B-modes in the cosmic microwave background (CMB), in light of the fact that the standard inflationary paradigm is unable to account for the transition from an initially symmetric state into a nonsymmetric outcome. We show that the incorporation of an element capable of explaining such a transition dramatically alters the prediction for the shape and size of the B-mode spectrum. In particular, we find that by adapting a realistic objective collapse model to the situation at hand, the B-mode spectrum becomes strongly suppressed with respect to the standard prediction. We conclude that the failure to detect B-modes in the CMB does not rule out the simplest inflationary models. © 2017 American Physical Society.

Registro:

Documento: Artículo
Título:Reassessing the link between B -modes and inflation
Autor:León, G.; Majhi, A.; Okon, E.; Sudarsky, D.
Filiación:Departamento de Física, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Ciudad Universitaria-Pabellón i, Buenos Aires, 1428, Argentina
Grupo de Astrofísica, Relatividad y Cosmología, Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de la Plata, Paseo del Bosque S/N, La Plata, 1900, Argentina
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
Instituto de Investigaciones Filosóficas, Universidad Nacional Autónoma de México, Mexico City, 04510, Mexico
Año:2017
Volumen:96
Número:10
DOI: http://dx.doi.org/10.1103/PhysRevD.96.101301
Título revista:Physical Review D
Título revista abreviado:Phy. Rev. D
ISSN:24700010
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_24700010_v96_n10_p_Leon

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Citas:

---------- APA ----------
León, G., Majhi, A., Okon, E. & Sudarsky, D. (2017) . Reassessing the link between B -modes and inflation. Physical Review D, 96(10).
http://dx.doi.org/10.1103/PhysRevD.96.101301
---------- CHICAGO ----------
León, G., Majhi, A., Okon, E., Sudarsky, D. "Reassessing the link between B -modes and inflation" . Physical Review D 96, no. 10 (2017).
http://dx.doi.org/10.1103/PhysRevD.96.101301
---------- MLA ----------
León, G., Majhi, A., Okon, E., Sudarsky, D. "Reassessing the link between B -modes and inflation" . Physical Review D, vol. 96, no. 10, 2017.
http://dx.doi.org/10.1103/PhysRevD.96.101301
---------- VANCOUVER ----------
León, G., Majhi, A., Okon, E., Sudarsky, D. Reassessing the link between B -modes and inflation. Phy. Rev. D. 2017;96(10).
http://dx.doi.org/10.1103/PhysRevD.96.101301