3-D Helioseismology: Rings and Horizontal Flows |
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| Authors: | J Patrón I González Hernández A Jiménez SJ Jiménez Reyes I Martín PL Pallé F Pérez Hernández C Régulo T Roca-Cortés |
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| Institution: | (1) Instituto de Astrofísica de Canarias C/Vía Láctea s/n, La Laguna, Tenerife, SPAIN |
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| Abstract: | We investigate the conditions under which general scalar-tensor gravity theories relax towards General Relativity. We extend
the work of Damour and Nordtvedt 2] by studying the effects of the inclusion of a cosmological potential term. When the universe
is either radiation dominated or vacuum, we find that Einstein's gravity is indeed a cosmological attractor and, also, that
the universe exhibits inflationary expansion. This latter feature provides another striking argument in favour of the inflationary
paradigm, which in the present setting arises without the intervention of the usual inflaton field.
This revised version was published online in July 2006 with corrections to the Cover Date. |
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