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, ±1. In the case of time-dependent scalar field, two classes of solutions are discussed and an extension of the superpotential formalism is proposed.
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ArXiv ePrint: 1312.3576
On leave of absence from National Centre for Physics, Quaid-i-Azam University Campus, 45320 Islamabad, Pakistan. (Aqeel Ahmed)
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Ahmed, A., Grzadkowski, B. & Wudka, J. Thick-brane cosmology. J. High Energ. Phys. 2014, 61 (2014). https://doi.org/10.1007/JHEP04(2014)061
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DOI: https://doi.org/10.1007/JHEP04(2014)061