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Thermodynamics in Variable Speed of Light Theories

Published online by Cambridge University Press:  21 October 2010

Juan Racker ,
Paolo Sisterna  and
Hector Vucetich
Juan Racker
Affiliation:
CONICET, Centro Atómico Bariloche, Avenida Bustillo 9500 (8400)Argentina
Paolo Sisterna
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La PLata, Paseo del Bosque S/N (1900) La Plata, Argentina
Hector Vucetich
Affiliation:
Facultad de Ciencias Astronómicas y Geofísicas, Universidad Nacional de La PLata, Paseo del Bosque S/N (1900) La Plata, Argentina
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Variable speed of light theories (VSL) are interesting because they could solve several cosmological puzzles. In this work we study the thermodynamics and Newtonian limit of the varying speed of light theory developed by J. Magueijo (Magueijo 2000). In the covariant and locally Lorentz invariant VSL proposed by Magueijo c is a dimensionless dynamical scalar field c=c0eψ, where c0 is a constant. The matter and gravitational lagrangians are multiplied by the factors ebψ and eaψ respectively.

Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 5 , Highlights H15: Highlights of Astronomy , November 2009 , pp. 301
Copyright
Copyright © International Astronomical Union 2010

References

Magueijo, J.. Phys. Rev. D, 62: 103521, 2000.CrossRefGoogle Scholar
Schutz, B. F.. Phys. Rev. D, 2: 2762–2773, 1970.CrossRefGoogle Scholar