INVESTIGATION OF CHANNEL WITH SELF-GENERATED MAGNETIC FIELD IN LASER-PRODUCED PLASMA

Su-Yun Zhou () and San-Qiu Liu ()
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Su-Yun Zhou: Institute of Materials Science, Nanchang University, Nanchang 330047, China
San-Qiu Liu: Institute of Materials Science, Nanchang University, Nanchang 330047, China

International Journal of Modern Physics C (IJMPC), 2007, vol. 18, issue 01, 25-34

Abstract: The evolution of the plasma channel in laser-produced plasma is numerically simulated on the basis of nonlinear coupling equations in the non-static limit case. The results show that the ponderomotive force of the highly intense laser field is responsible for the formation of the channel due to the collapse of the transverse wave near the critical surface. At the same time, a toroidal low-frequency magnetic field of about 1.7 MG in the channel is induced. These results are consistent with the observed results.

Keywords: Plasma channel; self-generated magnetic field; collapse; instability; 11.25.Hf; 123.1K (search for similar items in EconPapers)
Date: 2007
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DOI: 10.1142/S0129183107010334

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