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G-essence with Yukawa interactions

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dc.contributor.author I. Kulnazarov
dc.contributor.author K. Yerzhanov
dc.contributor.author O. Razina
dc.contributor.author Sh. Myrzakul
dc.contributor.author P. Tsyba
dc.contributor.author R. Myrzakulov
dc.date.accessioned 2013-04-22T04:33:59Z
dc.date.available 2013-04-22T04:33:59Z
dc.date.issued 2013-04-22
dc.identifier.uri http://dspace.enu.kz/handle/data/7100
dc.description http://www.enu.kz ru_RU
dc.description.abstract We study the g-essence model with Yukawa interactions between a scalar field φ and a Dirac field ψ. For the homogeneous, isotropic and flat Friedmann–Robertson– Walker universe filled with the such g-essence, the exact solution of the model is found. Moreover, we reconstruct the corresponding scalar and fermionic potentials which describe the coupled dynamics of the scalar and fermionic fields. It is shown that some particular g-essence models with Yukawa interactions correspond to the usual and generalized Chaplygin gas unified models of dark energy and dark matter. Also we present some scalar–fermionic Dirac– Born–Infeld models corresponding g-essence models with Yukawa interactions which again describe the unified dark energy–dark matter system. ru_RU
dc.language.iso en ru_RU
dc.subject G-essence ru_RU
dc.subject Yukawa interactions ru_RU
dc.subject generalizations ru_RU
dc.subject FRW metric ru_RU
dc.title G-essence with Yukawa interactions ru_RU
dc.type Article ru_RU

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