Pinch plasmoids, observed in experiments with periodic discharges in a fluid flow, are represented as unclosed wormholes with two throats in 4-spacetime on the basis of exact solutions of the nonstationary spherically-symmetric Einstein–Maxwell equations. It is proven that the gravitational interaction, i.e., the curvature of spacetime, is necessary for the existence of compact long-lived objects consisting of charged particles in their own electromagnetic field. It is shown that the gravitational interaction is universal and that it is manifested on arbitrary length scales. With the help of the given model, an estimate is made of the parameters of pinch plasmoids for different particle densities, up to solid-state. The given estimates show themselves to be in agreement with the experimental data.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 10, pp. 109–119, October, 2016.
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Bogdanovich, B.Y., Nestorovich, A.V., Sukhanova, L.A. et al. Description of Pinch Plasmoids Within the Framework of General Relativity Theory. Russ Phys J 59, 1643–1655 (2017). https://doi.org/10.1007/s11182-017-0956-3
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DOI: https://doi.org/10.1007/s11182-017-0956-3