Article ID Journal Published Year Pages File Type
8190647 Physics Letters B 2012 6 Pages PDF
Abstract
We investigate the evolution of the gravitational potential in Rastall scalar field theories. In a single component model a consistent perturbation theory, formulated in the Newtonian gauge, is possible only for γ=1, which is the General Relativity limit. On the other hand, the addition of another canonical fluid component allows to consider the case γ≠1.
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Related Topics
Physical Sciences and Engineering Physics and Astronomy Nuclear and High Energy Physics
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Note on the evolution of the gravitational potential in Rastall scalar field theories
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