Equivalence between the descriptions of cosmological models using a spinor field and a perfect fluid
V.G. Krechet1, M.L. Fil'chenkov2 and G.N. Shikin3
(1) Deptartment of Theoretical Physics, Yaroslavl State Pedagogical University 107 Respublikanskaya Street, Yaroslavl 150000, Russia
(2) Peoples' Friendship University of Russia, 6 Miklukho-Maklay Street, Moscow 117198, Russia
(3) Peoples' Friendship University of Russia, 6 Miklukho-Maklay Street, Moscow 117198, Russia
Abstract
A possibility of simulating a perfect fluid using spinor fields with different nonlinearities is investigated. Exact cosmological solutions to Einstein's equations with spinor fields are compared to the corresponding ones with perfect fluids.
References
- V. G. Krechet, M. L. Fil'chenkov, and G. N. Shikin, Grav. Cosmol. 13, 267 (2007).
- V. G. Krechet, M. L. Fil'chenkov, and G.N. Shikin, Izvestiya VUZov, Fizika 46, No. 4, 15 (2004).
- I. L. Buchbinder, J. K. Khoury, and B. A. Ovrut, Phys. Rev. D 76, 123503 (2007).
For more information about this paper please visit Springer's Home Page of this paper.
Back to The Contents Page