Unifying Einstein and Palatini gravities
We consider a novel class of f(R) gravity theories where the connection is related to the conformally scaled metric ˆgμν=C(R)gμν with a scaling that depends on the scalar curvature R only. We call them C theories and show that the Einstein and Palatini gravities can be obtained as special limits. In...
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| Main Authors: | , , |
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| Format: | Article (Journal) |
| Language: | English |
| Published: |
8 February 2011
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| In: |
Physical review. D, Particles, fields, gravitation, and cosmology
Year: 2011, Volume: 83, Issue: 4, Pages: 044016 |
| ISSN: | 1550-2368 |
| DOI: | 10.1103/PhysRevD.83.044016 |
| Online Access: | Verlag, Volltext: http://dx.doi.org/10.1103/PhysRevD.83.044016
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| Author Notes: | Luca Amendola (Institut für Theoretische Physik, University of Heidelberg, Philosophenweg 16, 69120 Heidelberg, Germany), Kari Enqvist (Physics Department, University of Helsinki, and Helsinki Institute of Physics, FIN-00014 University of Helsinki), Tomi Koivisto (Institute for Theoretical Physics and Spinoza Institute, Leuvenlaan 4, 3584 CE Utrecht, The Netherlands) |
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