descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Other literature type 01 Apr 2014Embargo end date: 01 Jan 2013 English Publisher:Springer Science and Business Media LLCJournal:Journal of High Energy Physics, volume 2,014 (eissn: 1029-8479,

Authors: Bohdan Grzadkowski; Aqeel Ahmed; Aqeel Ahmed; Jose Wudka;

doi: 10.1007/jhep04(2014)061 , 10.48550/arxiv.1312.3576

arXiv: http://arxiv.org/abs/1312.3576

Thick-brane cosmology

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Abstract

We search for time-dependent solutions for the 5-dimensional system of a scalar field canonically coupled to gravity. Time-independent and time-dependent scalar field configurations with the most general homogeneous and isotropic 4D metric are considered. For the case of time-independent scalar field, the time evolution of the scale factor is obtained for different values of the spatial curvature $k=0,\pm 1$. In the case of time-dependent scalar field, two classes of solutions are discussed and an extension of the superpotential formalism is proposed.

19 pages and 8 figures, v2: version published in JHEP

Related Organizations

University of California System
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University of California, Riverside
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University of Warsaw
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University of Warsaw, Faculty of Physics
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Department of Physics and Astronomy
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Keywords

High Energy Physics - Theory, Nuclear and High Energy Physics, High Energy Physics - Phenomenology, High Energy Physics - Phenomenology (hep-ph), High Energy Physics - Theory (hep-th), FOS: Physical sciences, General Relativity and Quantum Cosmology (gr-qc), General Relativity and Quantum Cosmology

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