Phys. Rev. D 70, 043505 (2004) [5 pages]Newtonian limit of the singular f(R) gravity in the Palatini formalismReceived 2 February 2004; published 9 August 2004 Recently D. Vollick [Phys. Rev. D 68, 063510 (2003)] has shown that the inclusion of the 1/R curvature terms in the gravitational action and the use of the Palatini formalism offer an alternative explanation for cosmological acceleration. In this work we show not only that this model of Vollick does not have a good Newtonian limit, but also that any f(R) theory with a pole of order n in R=0 and (d2f/d2R)(R0)≠0, where R0 is the scalar curvature of background, does not have a good Newtonian limit. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.70.043505
DOI:
10.1103/PhysRevD.70.043505
PACS:
95.35.+d, 04.25.Nx
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