Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
8193051 | Physics Letters B | 2010 | 5 Pages |
Abstract
We show, considering a specific f(R)-gravity model, that the Jordan frame and the Einstein frame could be physically non-equivalent, although they are connected by a conformal transformation which yields a mathematical equivalence. Calculations are performed analytically and this non-equivalence is shown in an unambiguous way. However this statement strictly depends on the considered physical quantities that have to be carefully selected.
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Authors
S. Capozziello, P. Martin-Moruno, C. Rubano,