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Cosmological Models with Time Dependent G and Λ Coupling Scalars |
N. Ibotombi Singh, S. Kiranmla Chanu, S. Surendra Singh |
Department of Mathematics, Manipur University, Canchipur-795003, Manipur, India |
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Cite this article: |
N. Ibotombi Singh, S. Kiranmla Chanu, S. Surendra Singh 2009 Chin. Phys. Lett. 26 060403 |
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Abstract A cosmological model in which the universe has its critical density and gravitational constants generalized as coupling scalars in Einstein's theory is considered. A general method of solving the field equations is given. An exact solution for matter distribution in cosmological models satisfying G=G0(R/R0)n is presented. Corresponding physical interpretations of the cosmological solutions are also discussed.
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Keywords:
04.20.-q
04.20.Cv
04.20.Jb
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Received: 25 December 2008
Published: 01 June 2009
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PACS: |
04.20.-q
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(Classical general relativity)
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04.20.Cv
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(Fundamental problems and general formalism)
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04.20.Jb
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(Exact solutions)
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[1] Beesham A 1986 Int. J. Theor. Phys. 25 1295 [2] Abdel-Rahman A M M 1990 Gen. Relativ. Gravit. 22 655 [3] Dirac P A M 1937 Nature 139 323 [4] Ozer M and Taha M O 1987 Nucl. Phys. B 287 776 Ozer M and Taha M O 1986 Phys. Lett. B 171 363 [5] Sistero R F 1991 Gen. Relativ. Gravit. 23 26 [6] Ibotombi N and Anita S 2007 Astrophys. Space. Sci. 310 131 [7] Barrow J D 1996 Proc. R. Astron. Soc. London 282 1397 [8] Sistero R F 1971 Strophys. Space. Sci. 12 484 |
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