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A new source for a brane cosmological constant from a modified gravity model in the bulk

Title
A new source for a brane cosmological constant from a modified gravity model in the bulk
Type
Article in International Scientific Journal
Year
2009
Authors
Orfeu Bertolami
(Author)
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Carla Carvalho
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Joao N Laia
(Author)
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Journal
Title: Nuclear Physics BImported from Authenticus Search for Journal Publications
Vol. 807
Pages: 56-72
ISSN: 0550-3213
Publisher: Elsevier
Scientific classification
FOS: Natural sciences > Physical sciences
Other information
Authenticus ID: P-003-NRA
Abstract (EN): We show that a four-dimensional equation of state for a cosmological constant term arises from a perfect fluid in the bulk in the context of a gravity model where the scalar curvature is non-minimally coupled to the perfect fluid Lagrangian density. The four-dimensional theory is fully determined from the induced equations on the brane, subject to the boundary conditions derived across the brane.
Language: English
Type (Professor's evaluation): Scientific
Contact: orfeu@cosmos.ist.utl.pt
No. of pages: 17
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