Volume 99, Number 1, July 2012
|Number of page(s)||4|
|Published online||10 July 2012|
Radiation-dominated era and the power of general relativity
Institute for Theoretical Physics and Advanced Mathematics Einstein-Galilei - Via Santa Gonda 14, 59100 Prato, Italy, EU and Inter-University Centre Engineering of life and Environment, LIUM University - Via Lugano 2, 6500 Bellinzona, Switzerland
Received: 23 April 2012
Accepted: 30 May 2012
An analysis in the framework of the radiation-dominated era permits to put bounds on the weak modification of general relativity which arises from the Lagrangian R1+ε. Such a theory has been recently discussed in various papers in the literature. The new bounds together with previous ones in the literature rule out this theory in an ultimate way.
PACS: 04.50.-h – Higher-dimensional gravity and other theories of gravity
© EPLA, 2012
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