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Landau, S.; León, G.; Sudarsky, D. "Quantum origin of the primordial fluctuation spectrum and its statistics" (2013) Physical Review D - Particles, Fields, Gravitation and Cosmology. 88(2)
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Abstract:

The usual account for the origin of cosmic structure during inflation is not fully satisfactory, as it lacks a physical mechanism capable of generating the inhomogeneity and anisotropy of our Universe, from an exactly homogeneous and isotropic initial state associated with the early inflationary regime. The proposal in [A. Perez, H. Sahlmann, and D. Sudarsky, Classical Quantum Gravity 23, 2317 (2006)] considers the spontaneous dynamical collapse of the wave function as a possible answer to that problem. In this work, we review briefly the difficulties facing the standard approach, as well as the answers provided by the above proposal and explore their relevance to the investigations concerning the characterization of the primordial spectrum and other statistical aspects of the cosmic microwave background and large-scale matter distribution. We will see that the new approach leads to novel ways of considering some of the relevant questions, and, in particular, to distinct characterizations of the non-Gaussianities that might have left imprints on the available data. © 2013 American Physical Society.

Registro:

Documento: Artículo
Título:Quantum origin of the primordial fluctuation spectrum and its statistics
Autor:Landau, S.; León, G.; Sudarsky, D.
Filiación:Instituto de Física de Buenos Aires, CONICET-UBA, Ciudad Universitaria - Pab. 1, 1428 Buenos Aires, Argentina
Dipartimento di Fisica, Università di Trieste, Strada Costiera 11, 34151 Trieste, Italy
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, México D.F. 04510, Mexico
Instituto de Astronomía y Física Del Espacio, Casilla de Correos 67, Sucursal 28, 1428 Buenos Aires, Argentina
Año:2013
Volumen:88
Número:2
DOI: http://dx.doi.org/10.1103/PhysRevD.88.023526
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
CODEN:PRVDA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v88_n2_p_Landau

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Citas:

---------- APA ----------
Landau, S., León, G. & Sudarsky, D. (2013) . Quantum origin of the primordial fluctuation spectrum and its statistics. Physical Review D - Particles, Fields, Gravitation and Cosmology, 88(2).
http://dx.doi.org/10.1103/PhysRevD.88.023526
---------- CHICAGO ----------
Landau, S., León, G., Sudarsky, D. "Quantum origin of the primordial fluctuation spectrum and its statistics" . Physical Review D - Particles, Fields, Gravitation and Cosmology 88, no. 2 (2013).
http://dx.doi.org/10.1103/PhysRevD.88.023526
---------- MLA ----------
Landau, S., León, G., Sudarsky, D. "Quantum origin of the primordial fluctuation spectrum and its statistics" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 88, no. 2, 2013.
http://dx.doi.org/10.1103/PhysRevD.88.023526
---------- VANCOUVER ----------
Landau, S., León, G., Sudarsky, D. Quantum origin of the primordial fluctuation spectrum and its statistics. Phys Rev D Part Fields Gravit Cosmol. 2013;88(2).
http://dx.doi.org/10.1103/PhysRevD.88.023526