Symmetrizations of RMHD equations and stability of relativistic current–vortex sheets

Freistühler, Heinrich; Trakhinin, Yuri

Symmetrizations of RMHD equations and stability of relativistic current–vortex sheets

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Datum

2013

Autor:innen

Freistühler, Heinrich

Trakhinin, Yuri

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Classical and Quantum Gravity. 2013, 30(8), 085012. ISSN 0264-9381. eISSN 1361-6382. Available under: doi: 10.1088/0264-9381/30/8/085012

Zusammenfassung

We consider the equations of relativistic magnetohydrodynamics (RMHD) in the case of special relativity. Starting by computations in the fluid's rest frame and then applying Lorentz transformations, we derive a covariant symmetric formulation of RMHD in terms of the primitive (physical) variables. This symmetric system is important for the study of various initial boundary value problems. We also find a so-called secondary symmetrization whose direct consequence is the extension of the sufficient stability condition obtained earlier for non-relativistic planar current–vortex sheets to the relativistic case. As in non-relativistic settings, this implies the local-in-time existence of corresponding smooth nonplanar current–vortex sheets.

Fachgebiet (DDC)

510 Mathematik

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ISO 690

FREISTÜHLER, Heinrich, Yuri TRAKHININ, 2013. Symmetrizations of RMHD equations and stability of relativistic current–vortex sheets. In: Classical and Quantum Gravity. 2013, 30(8), 085012. ISSN 0264-9381. eISSN 1361-6382. Available under: doi: 10.1088/0264-9381/30/8/085012

BibTex

@article{Freistuhler2013Symme-26466,
  year={2013},
  doi={10.1088/0264-9381/30/8/085012},
  title={Symmetrizations of RMHD equations and stability of relativistic current–vortex sheets},
  number={8},
  volume={30},
  issn={0264-9381},
  journal={Classical and Quantum Gravity},
  author={Freistühler, Heinrich and Trakhinin, Yuri},
  note={Article Number: 085012}
}

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