Equivalence between the descriptions of cosmological models using a spinor field and a perfect fluid
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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.
PACS numbers03.50-z 04.20-q 98.80.-k
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- 2.V. G. Krechet, M. L. Fil’chenkov, and G. N. Shikin, Izvestiya VUZov, Fizika 46(4), 15 (2004).Google Scholar