Abstract
This paper deals with the dynamics of scalar field thin shell in the Reissner-Nordström geometry. The Israel junction conditions between Reissner-Nordström spacetimes are derived, which lead to the equation of motion of scalar field shell and Klien–Gordon equation. These equations are solved numerically by taking scalar field model with the quadratic scalar potential. It is found that solution represents the expanding and collapsing scalar field shell. For the better understanding of this problem, we investigate the case of massless scalar field (by taking the scalar field potential zero). Also, we evaluate the scalar field potential when p is an explicit function of R. We conclude that both massless as well as massive scalar field shell can expand to infinity at constant rate or collapse to zero size forming a curvature singularity or bounce under suitable conditions.
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Sharif, M., Abbas, G. Expanding and collapsing scalar field thin shell. Gen Relativ Gravit 44, 2353–2364 (2012). https://doi.org/10.1007/s10714-012-1395-7
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DOI: https://doi.org/10.1007/s10714-012-1395-7