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A mechanism for self-generated magnetic fields in the interaction of ultra-intense laser pulses with thin plasma targets

Published online by Cambridge University Press:  01 February 2009

A. ABUDUREXITI ,
T. OKADA  and
S. ISHIKAWA
A. ABUDUREXITI
Affiliation:
Physics Department, Xinjiang University, Urumqi, 830046, People's Republic of China Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei-shi, Tokyo, 184-8588, Japan (okada@cc.tuat.ac.jp)
T. OKADA
Affiliation:
Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei-shi, Tokyo, 184-8588, Japan (okada@cc.tuat.ac.jp)
S. ISHIKAWA
Affiliation:
Faculty of Technology, Tokyo University of Agriculture and Technology, Koganei-shi, Tokyo, 184-8588, Japan (okada@cc.tuat.ac.jp)
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Abstract

In the study of the interaction of ultra-intense laser pulses with thin plasma targets there appears self-generated magnetic fields in the plasma target. The strong magnetic fields were directly measured in the plasma target, and were attributed to a mechanism of non-parallel electron temperature and density gradients. These magnetic fields can become strong enough to significantly affect the plasma transport. The underlying mechanism of the self-generated magnetic fields in the ultra-intense laser–plasma interactions is presented by using a two-dimensional particle-in-cell simulation.

Type
Papers
Information
Journal of Plasma Physics , Volume 75 , Issue 1 , February 2009 , pp. 91 - 98
Copyright
Copyright © Cambridge University Press 2008

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