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2007 Class. Quantum Grav. 24 3013-3020 doi: 10.1088/0264-9381/24/11/014
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Abstract. We derive the expression for the snap parameter in f(R) gravity. We use the Palatini variational principle to obtain the field equations and regard the Einstein conformal frame as physical. We predict the present-day value of the snap parameter for the particular case f(R) = R − const/R, which is the simplest f(R) model explaining the current acceleration of the universe.
PACS numbers: 04.50.-h, 95.36.+x, 98.80.−k
Print publication: Issue 11 (7 June 2007) |
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