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Communications in Mathematical Sciences
Volume 17 (2019)
Concentrating solutions of the relativistic Vlasov–Maxwell system
Pages: 377 – 392
We study smooth, global-in-time, spherically-symmetric solutions of the relativistic Vlasov–Poisson system that possess arbitrarily large charge densities and electric fields. In particular, we construct solutions that describe a thin shell of equally charged particles concentrating arbitrarily close to the origin and which give rise to charge densities and electric fields as large as one desires at some finite time. We show that these solutions exist even for arbitrarily small initial data or any desired mass. In the latter case, the time at which solutions concentrate can also be made arbitrarily large. As the constructed solutions are spherically-symmetric, they also satisfy the relativistic Vlasov–Maxwell system and thus our results apply to the latter system as well.
kinetic theory, Vlasov–Maxwell, spherical symmetry, charge density, electric field
2010 Mathematics Subject Classification
35L60, 35Q83, 82C22, 82D10
The first author was supported by the UK Engineering and Physical Sciences Research Council’s Early Career Fellowship EP/N020154/1. The final author was supported by US National Science Foundation award DMS-1614586.
Received 28 June 2018
Received revised 6 December 2018
Accepted 6 December 2018
Published 8 July 2019