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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 2013-04-22T06:19:33Z
dc.date.available 2013-04-22T06:19:33Z
dc.date.issued 2013-04-22
dc.identifier.uri http://dspace.enu.kz/handle/data/7122
dc.description http://www.enu.kz ru_RU
dc.description.abstract We study the g-essence model with Yukawa in-teractions 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 de-scribe 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 gen-eralized 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 the Yukawa interaction plays ru_RU
dc.subject the Chaplygin ru_RU
dc.title G-essence with Yukawa interactions ru_RU
dc.type Article ru_RU


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