Filamentation Instability of Interacting Current Sheets in Striped Relativistic Winds: The Origin of Low Sigma?

Details Filamentation Instability of Interacting Current Sheets in Striped Relativistic Winds: The Origin of Low Sigma? Filamentation Instability of Interacting Current Sheets in Striped Relativistic Winds: The Origin of Low Sigma?

2007-10-28

arxiv.org/abs/0710.5261v1

AIPConf.Proc.983:200-206,2008

Astronomy and Astrophysics

Astrophysics

7 pages, 9 figures. To be published in the proceedings of ``40 Years of Pulsars''

Scientific paper

10.1063/1.2900141

I outline a mechanism, akin to Weibel instabilities of interpenetrating beams, in which the neighboring current sheets in a striped wind from an oblique rotator interact through a two stream-like mechanism (a Weibel instability in flatland), to create an anomalous resistivity that heats the sheets and causes the magnetic field to diffusively annihilate in the wind upstream of the termination shock. The heating has consequences for observable unpulsed emission from pulsars.

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