Search Results - "Nugmanova, Gulgasyl"
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Periodic Cosmological Evolutions of Equation of State for Dark Energy
Published in Entropy (Basel, Switzerland) (01-11-2012)“…We demonstrate two periodic or quasi-periodic generalizations of the Chaplygin gas (CG) type models to explain the origins of dark energy as well as dark…”
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Einstein-Cartan gravity with scalar-fermion interactions
Published in Open Physics (01-02-2012)Get full text
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A Note on the Relationship Between Solutions of Einstein, Ramanujan and Chazy Equations
Published in International journal of theoretical physics (01-04-2012)“…The Einstein equation for the Friedmann-Robertson-Walker metric plays a fundamental role in cosmology. The direct search of the exact solutions of the Einstein…”
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g-Essence as the cosmic speed-up
Published in Astrophysics and space science (01-10-2012)“…In the present work we analyze the g-essence model for the particular Lagrangian: . The g-essence models were proposed recently as an alternative and a…”
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G-essence cosmologies with scalar-fermion interactions
Published in European physical journal plus (01-09-2011)“…We study the two particular models of g -essence with Yukawa-type interactions between a scalar field φ and a classical Dirac field ψ . For the homogeneous,…”
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A note on the relationship between solutions of Einstein, Ramanujan and Chazy equations
Published 30-07-2012“…International Journal of Theoretical Physics, v.51, N4, 1204-1210 (2012) The Einstein equation for the Friedmann-Robertson-Walker metric plays a fundamental…”
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Einstein-Cartan gravity with scalar-fermion interactions
Published 10-12-2011“…Cent. Eur. J. Phys., vol. 10, N1, 47-50 (2012) In this paper, we have considered the g-essence and its particular cases, k-essence and f-essence, within the…”
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FRW cosmological models with integrable and nonintegrable differential equations of state
Published 12-05-2011“…The basic models of modern cosmology work in FRW spacetime. Hence follows that it is important to study the physical and mathematical nature of FRW…”
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Periodic Cosmological Evolutions of Equation of State for Dark Energy
Published 25-10-2012“…Entropy 2012, 14, 2351-2374 We demonstrate two periodic or quasi-periodic generalizations of the Chaplygin gas (CG) type models to explain the origins of dark…”
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Dark energy in some integrable and nonintegrable FRW cosmological models
Published 14-09-2011“…International Journal of Modern Physics D, Vol.20, No12, 2419-2446 (2011) One of the greatest challenges in cosmology today is to determine the nature of dark…”
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