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Bianchi type-I model with cosmological constant in a generalized scalar-tensor theory of gravitation

Journal Article · · Phys. Rev. D; (United States)
; ;

Bianchi type-I cosmological models are discussed in the Bergmann-Wagoner-Nordtvedt scalar-tensor theory where both the so-called cosmological constant ..lambda.. and the coupling parameter ..omega.. are taken to be functions of the scalar field phi. Exact solutions are obtained in Dicke's revised units assuming a very simple relationship between ..lambda.. and phi. The properties of the models are discussed in special cases.

Research Organization:
Department of Physics, Jadavpur University, Calcutta 700 032, India
OSTI ID:
6200537
Journal Information:
Phys. Rev. D; (United States), Journal Name: Phys. Rev. D; (United States) Vol. 32:12; ISSN PRVDA
Country of Publication:
United States
Language:
English

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Related Subjects

640106* -- Astrophysics & Cosmology-- Cosmology
645400 -- High Energy Physics-- Field Theory
657003 -- Theoretical & Mathematical Physics-- Relativity & Gravitation
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
COSMOLOGICAL MODELS
ELEMENTARY PARTICLES
FUNCTIONS
GRAVITATION
HIGGS BOSONS
LAGRANGIAN FUNCTION
MATHEMATICAL MODELS
POSTULATED PARTICLES
SCALAR FIELDS
SPACE-TIME
SYMMETRY BREAKING
UNIVERSE
VACUUM STATES