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Collisionless Plasma Shocks in Striated Electron Temperatures

Guio, P; Pecseli, HL; (2010) Collisionless Plasma Shocks in Striated Electron Temperatures. PHYS REV LETT , 104 (8) , Article 085002. 10.1103/PhysRevLett.104.085002. Green open access

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Abstract

The existence of low frequency waveguide modes of ion acoustic waves is demonstrated in magnetized plasmas for electron temperatures striated along the magnetic field lines. At higher frequencies, in a band between the ion cyclotron and the ion plasma frequency, radiative modes develop and propagate obliquely to the field away from the striation. Arguments for the subsequent formation and propagation of electrostatic shock are presented and demonstrated numerically. For such plasma conditions, the dissipation mechanism is the "leakage'' of the harmonics generated by the wave steepening.

Type: Article
Title: Collisionless Plasma Shocks in Striated Electron Temperatures
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.104.085002
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.104.085002
Language: English
Additional information: © 2010 The American Physical Society
Keywords: WAVES
UCL classification: UCL
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Physics and Astronomy
URI: https://discovery.ucl.ac.uk/id/eprint/67555
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