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Bouncing shells

T Dray

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LETTER TO THE EDITOR

Implicitly contained in recent results of Dray and Joshi (1990) is the possibility of joining Reissner-Nordstrom spacetimes with different charges and masses along colliding charged shells in such a way that there is no mass or charge associated with two of the 'shells'. These results can be used to model at collapsing charged shell which bounces when its total (gravitational and electromagnetic) energy is zero and also to model the spontaneous creation of particle/antiparticle pairs.


PACS

04.20.Gz Spacetime topology, causal structure, spinor structure

04.70.Bw Classical black holes

MSC

83C50 Electromagnetic fields

83C57 Black holes

83C40 Gravitational energy and conservation laws; groups of motions

83C60 Spinor and twistor methods; Newman-Penrose formalism

Subjects

Gravitation and cosmology

Dates

Issue 7 (July 1990)



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