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Chimento, L.P.; Jakubi, A.S.; Pavón, D.; Zuccalá, N. "Synergistic warm inflation" (2002) Physical Review D - Particles, Fields, Gravitation and Cosmology. 65(8A):835101-835109
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Abstract:

We consider an alternative warm inflationary scenario in which n scalar fields coupled to a dissipative matter fluid cooperate to produce power-law inflation. The scalar fields are driven by an exponential potential and the bulk dissipative pressure coefficient is linear in the expansion rate. We find that the entropy of the fluid attains its asymptotic value in a characteristic time proportional to the square of the number of fields. This scenario remains nearly isothermal along the inflationary stage. The perturbations in energy density and entropy are studied in the long-wavelength regime and seen to grow roughly as the square of the scale factor. They are shown to be compatible with COBE measurements of the fluctuations in temperature of the CMB.

Registro:

Documento: Artículo
Título:Synergistic warm inflation
Autor:Chimento, L.P.; Jakubi, A.S.; Pavón, D.; Zuccalá, N.
Filiación:Departamento de Física, Universidad de Buenos Aires, 1428 Buenos Aires, Argentina
Departament de Física, Universidad Autónoma de Barcelona, 08193 Bellaterra, Spain
Palabras clave:article; calculation; density; energy; entropy; pressure; spectral sensitivity; temperature dependence; thermal analysis
Año:2002
Volumen:65
Número:8A
Página de inicio:835101
Página de fin:835109
DOI: http://dx.doi.org/10.1103/PhysRevD.65.083510
Título revista:Physical Review D - Particles, Fields, Gravitation and Cosmology
Título revista abreviado:Phys Rev D Part Fields Gravit Cosmol
ISSN:05562821
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_05562821_v65_n8A_p835101_Chimento

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Citas:

---------- APA ----------
Chimento, L.P., Jakubi, A.S., Pavón, D. & Zuccalá, N. (2002) . Synergistic warm inflation. Physical Review D - Particles, Fields, Gravitation and Cosmology, 65(8A), 835101-835109.
http://dx.doi.org/10.1103/PhysRevD.65.083510
---------- CHICAGO ----------
Chimento, L.P., Jakubi, A.S., Pavón, D., Zuccalá, N. "Synergistic warm inflation" . Physical Review D - Particles, Fields, Gravitation and Cosmology 65, no. 8A (2002) : 835101-835109.
http://dx.doi.org/10.1103/PhysRevD.65.083510
---------- MLA ----------
Chimento, L.P., Jakubi, A.S., Pavón, D., Zuccalá, N. "Synergistic warm inflation" . Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 65, no. 8A, 2002, pp. 835101-835109.
http://dx.doi.org/10.1103/PhysRevD.65.083510
---------- VANCOUVER ----------
Chimento, L.P., Jakubi, A.S., Pavón, D., Zuccalá, N. Synergistic warm inflation. Phys Rev D Part Fields Gravit Cosmol. 2002;65(8A):835101-835109.
http://dx.doi.org/10.1103/PhysRevD.65.083510