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# Two restrictions in the theories that include G(t) and c(t) varying with time

Fullana Alfonso, MJ.; Alfonso-Faus, A. (2014). Two restrictions in the theories that include G(t) and c(t) varying with time. Astrophysics and Space Science. 350(2):781-783. doi:10.1007/s10509-014-1803-4

Por favor, use este identificador para citar o enlazar este ítem: http://hdl.handle.net/10251/47980

## Files in this item

Title: Two restrictions in the theories that include G(t) and c(t) varying with time
Author:
UPV Unit: Universitat Politècnica de València. Departamento de Matemática Aplicada - Departament de Matemàtica Aplicada
Issued date:
 2014-01-22
Abstract:
Much work has been done taking into account the possibility that the gravitational {\it constant} $G$ may vary with cosmological time $t$ (or with the cosmological scale factor $a(t)$). In many of these works the speed of ...[+]
Subjects:
Copyrigths: Reserva de todos los derechos
Source:
Astrophysics and Space Science. (issn: 0004-640X ) (eissn: 1572-946X )
DOI: 10.1007/s10509-014-1803-4
Publisher:
Springer Verlag (Germany)
Publisher version: http://dx.doi.org/10.1007/s10509-014-1803-4
Type: Artículo

## References

Belinchón, J.A., Alfonso-Faus, A.: A theory of time-varying constants. Int. J. Mod. Phys. D 10, 299 (2001). Preprint: arXiv:gr-qc/0404044

Dirac, P.A.M.: The cosmological constants. Nature 139, 323 (1937)

Magueijo, J., Moffat, J.W.: Comments on “Note on varying speed of light theories”. Gen. Relativ. Gravit. 40, 1797 (2008). Preprint: arXiv:0705.4507