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A model for predicting extragalactic jet lifetimes

Published online by Cambridge University Press:  15 January 2010

D. S. SPICER ,
ROBERT BINGHAM  and
S. O'SULLIVAN
D. S. SPICER
Affiliation:
Department of Physics, Drexel University, 3141 Chestnut Street, Philadelphia, PA 19104, USA (daniel.shields.spicer@drexel.edu)
ROBERT BINGHAM
Affiliation:
Rutherford Appleton Laboratory, Space Science and Technology Department, Chilton, Didcot OX11 0QX, UK (bob.bingham@stfc.ac.uk) Department of Physics, SUPA, University of Strathclyde, Glasgow, G4 0NG, UK
S. O'SULLIVAN
Affiliation:
Code 931, NASA Goddard Space Flight Center, Greenbelt, MD 20771, USA
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Abstract

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In this letter, we propose a model to explain the disintegration of extragalactic jets and to predict the associated timescale. The model assumes that a jet is current and charge neutral as well as collimated at its source; however, the forward electron current gradually decays producing a magnetic field transverse to the direction of jet propagation. This growing transverse magnetic field eventually causes the jet to disintegrate.

Information

Type
Letter to the Editor
Information
Journal of Plasma Physics , Volume 76 , Issue 2 , April 2010 , pp. 129 - 134
Copyright
Copyright © Cambridge University Press 2010

References

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