Artículo

Calzetta, E.A.; Gonorazky, S. "Primordial fluctuations from nonlinear couplings" (1997) Physical Review D - Particles, Fields, Gravitation and Cosmology. 55(4):1812-1821
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Abstract:

We study the spectrum of primordial fluctuations in theories where the inflaton field is nonlinearly coupled to massless fields and/or to itself. Conformally invariant theories generically predict a scale-invariant spectrum. Scales entering the theory through infrared divergences cause logarithmic corrections to the spectrum, tilting it towards the blue. We discuss in some detail whether these fluctuations are quantum or classical in nature. © 1997 The American Physical Society.

Registro:

Documento: Artículo
Título:Primordial fluctuations from nonlinear couplings
Autor:Calzetta, E.A.; Gonorazky, S.
Filiación:Instituto de Astronomía y Física del Espacio (IAFE), suc 28, Argentina
Año:1997
Volumen:55
Número:4
Página de inicio:1812
Página de fin:1821
DOI: http://dx.doi.org/10.1103/PhysRevD.55.1812
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:15507998
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_15507998_v55_n4_p1812_Calzetta

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Citas:

---------- APA ----------
Calzetta, E.A. & Gonorazky, S. (1997) . Primordial fluctuations from nonlinear couplings. Physical Review D - Particles, Fields, Gravitation and Cosmology, 55(4), 1812-1821.
http://dx.doi.org/10.1103/PhysRevD.55.1812
---------- CHICAGO ----------
Calzetta, E.A., Gonorazky, S. "Primordial fluctuations from nonlinear couplings" . Physical Review D - Particles, Fields, Gravitation and Cosmology 55, no. 4 (1997) : 1812-1821.
http://dx.doi.org/10.1103/PhysRevD.55.1812
---------- MLA ----------
Calzetta, E.A., Gonorazky, S. "Primordial fluctuations from nonlinear couplings" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 55, no. 4, 1997, pp. 1812-1821.
http://dx.doi.org/10.1103/PhysRevD.55.1812
---------- VANCOUVER ----------
Calzetta, E.A., Gonorazky, S. Primordial fluctuations from nonlinear couplings. Phys Rev D Part Fields Gravit Cosmol. 1997;55(4):1812-1821.
http://dx.doi.org/10.1103/PhysRevD.55.1812