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Spatially-Hyperbolic Friedmann–Robertson–Walker Universe with Potentially Broken Z 2−Symmetry

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Abstract

For the Friedmann–Robertson–Walker (FRW) Universe with negative curvature, sustained by a spontaneous Z 2− symmetry breaking scalar field, depending on time alone, we have derived the Einstein–Gordon system of equations. For physically relevant cases, the matter-curvature system have been numerically analyzed.

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Acknowledgments

AB work was supported by the strategic grant POSDRU/159/1.5/S/137750, Project Doctoral and Postdoctoral programs–support for increased competitiveness in Exact Sciences research?cofinanced by the European Social Found within the Sectorial Operational Program Human Resources Development 2007–2013.

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Authors and Affiliations

  1. Faculty of Physics, Alexandru Ioan Cuza University of Iaşi, Bd. Carol I, no. 11, 700506, Iaşi, Romania

    Ciprian Dariescu, Adrian Bodnarescu & Marina–Aura Dariescu

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  1. Ciprian Dariescu
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  2. Adrian Bodnarescu
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  3. Marina–Aura Dariescu
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Correspondence to Marina–Aura Dariescu.

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Dariescu, C., Bodnarescu, A. & Dariescu, M. Spatially-Hyperbolic Friedmann–Robertson–Walker Universe with Potentially Broken Z 2−Symmetry. Int J Theor Phys 55, 4109–4123 (2016). https://doi.org/10.1007/s10773-016-3039-2

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  • DOI: https://doi.org/10.1007/s10773-016-3039-2

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