Weak lensing, shear and the Cosmic Virial Theorem in a model with a scale-dependent gravitational coupling

• Tipo: Artigo em Revista Científica Internacional
• Data: 1997

Autores

Bertolami, O (Autor) Outra

Revista

Título: General Relativity and Gravitation

Vol. 29

Páginas: 851-857

ISSN: 0001-7701

Editora: Springer Nature

Indexação

ISI Web of Knowledge - 2 Citações

Scopus - 1 Citação

Classificação Científica

FOS: Ciências exactas e naturais > Física

Outras Informações

ID Authenticus: P-001-B4F

DOI: 10.1023/a:1018831232677

Abstract (EN): It is argued that, in models where the gravitational coupling is scale-dependent, predictions concerning weak gravitational lensing and shear are essentially similar to the ones derived from General Relativity. This is consistent with recent negative results of observations of the MS1224, CL2218 and A1689 systems aimimg to infer from those methods the presence of dark matter. It is shown, however, that the situation is quite different when an analysis based on the Cosmic Virial Theorem is concerned.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Nº de páginas: 7