Publicação: Exact solutions to Elko spinors in spatially flat Friedmann-Robertson-Walker spacetimes
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Iop Publishing Ltd
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In this paper we present exact solutions to the so-called Elko spinors for three models of expanding universe, namely the de Sitter, linear and the radiation type evolution. The study was restricted to flat, homogeneous and isotropic Friedmann-Robertson-Walker backgrounds. Starting with an Elko spinor we present the solutions for these cases and compare to the case of Dirac spinors. Besides, an attempt to use Elko spinors as a dark energy candidate in the cosmological context is investigated.
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quantum field theory on curved space, cosmology of theories beyond the SM, particle physics - cosmology connection
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Inglês
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Journal Of Cosmology And Astroparticle Physics. Bristol: Iop Publishing Ltd, n. 3, 16 p., 2014.
