Reheating via a generalized nonminimal coupling of curvature to matter

• Tipo: Artigo em Revista Científica Internacional
• Data: 2011

Autores

bertolami, o (Autor) FCUP; frazao, p (Autor) Outra; paramos, j (Autor) Outra

Revista

Título: Physical Review D - Particles, Fields, Gravitation and Cosmology

Vol. 83

ISSN: 1550-7998

Editora: American Physical Society

Indexação

ISI Web of Knowledge - 68 Citações

Scopus - 72 Citações

Classificação Científica

FOS: Ciências exactas e naturais > Física

Outras Informações

ID Authenticus: P-002-V74

DOI: 10.1103/physrevd.83.044010

Abstract (EN): In this work, one shows that a generalized nonminimal coupling between geometry and matter is compatible with Starobinsky inflation and leads to a successful process of preheating, a reheating scenario based on the production of massive particles via parametric resonance. The model naturally extends the usual preheating mechanism, which resorts to an ad hoc scalar curvature-dependent mass term for a scalar field chi, and also encompasses a previously studied preheating channel based upon a nonstandard kinetic term.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 12