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Ghost-Free Massive $f(R)$ Theories Modelled as Effective Einstein Spaces and Cosmic Acceleration
We study how massive ghost-free gravity $f(R)$-modified theories, MGFTs, can be encoded into generic off-diagonal Einstein spaces. Using "auxiliary" connections completely defined by the metric fields and adapted to nonholonomic frames with associated to nonlinear connection structure, we...
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| Lenguaje: | eng |
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2013
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| Acceso en línea: | https://dx.doi.org/10.1140/epjc/s10052-014-3132-8 http://cds.cern.ch/record/1642768 |