Spontaneous decay of the effective cosmological constant

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Ozer M., Taha M. O.

MODERN PHYSICS LETTERS A, vol.13, no.7, pp.571-580, 1998 (SCI-Expanded, Scopus)

• Publication Type: Article / Article
• Volume: 13 Issue: 7
• Publication Date: 1998
• Doi Number: 10.1142/s0217732398000620
• Journal Name: MODERN PHYSICS LETTERS A
• Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus
• Page Numbers: pp.571-580
• Open Archive Collection: AVESIS Open Access Collection
• Yıldız Technical University Affiliated: No

Abstract

We discuss the notion that quantum fields may induce an effective time-dependent cosmological constant which decays from a large initial value. It is shown that such cosmological models are viable in a non-de Sitter space-time.