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Cosmologically inspired Kastor-Traschen solution

Kastor-Traschen (KT) type solution in a cosmological set up is studied in this article. We examine a hybrid of a KT metric and a Friedmann-Robertson-Walker-Lemaitre (FRWL) solution. The problem is treated in a general number of dimensions D>=4 and we include the cosmological constant Lambda parameter into the Einstein-Maxwell equations. The matter source consists of two fluids - charged dust and neutral fluid with non-vanishing pressure. The equations of motion for the fluid and electromagnetic (EM) field are written down and an exact solution generalising extremely charged Reissner-Nordström black hole to arbitrary spatial curvature parameter is presented. We examine metric and curvature scalars singularities, trapped horizons as well as energy conditions.

preprint2014arXivOpen access
Martin ČermákMartin Zouhar
gr-qc
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Open access2 authors1 topic
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Martin ČermákMartin Zouhar

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