RT Journal Article
T1 R^2 dark matter
A1 Ruiz Cembranos, José Alberto
AB There is a non-trivial four-derivative extension of the gravitational spectrum that is free of ghosts and phenomenologically viable. It is the so called R^2-gravity since it is defined by the only addition of a term proportional to the square of the scalar curvature. Just the presence of this term does not improve the ultraviolet behaviour of Einstein gravity but introduces one additional scalar degree of freedom that can account for the dark matter of our Universe.
PB IOP Publishing
SN 1742-6588
YR 2011
FD 2011
LK https://hdl.handle.net/20.500.14352/44919
UL https://hdl.handle.net/20.500.14352/44919
LA eng
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NO © 2011 IOP Publishing Ltd.International Workshop on the Dark Side of the Universe (6º. 2010. Guanajuato, México). I am grateful to K. Olive, M. Peloso, and M. Voloshin for useful discussions. DOE grant DOE/DE-FG02-94ER40823, FPA 2005-02327 project (DGICYT, Spain), CAM/UCM 910309 project, and MICINN Consolider-Ingenio MULTIDARK CSD2009-00064.
NO U. S. Department of Energy (DOE)
NO Dirección General de Investigación Científica y Técnica (DGICYT) MINECO, España
NO Programa Consolider-Ingenio MULTIDARK
NO Ministerio de Economía y Competitividad (MINECO), España
NO Ministerio de Ciencia e Innovación (MICINN), España
DS Docta Complutense
RD 1 may 2024