Quasistatic magnetic fields generated by a nonrelativistic intense laser pulse in uniform underdense plasma

doi:10.1088/1674-1056/19/7/078701

Abstract Quasistatic magnetic fields generated by nonrelativistic intense linearly polarized (LP) and circularly polarized (CP) laser pulses in an initially uniform underdense plasma in the collision-dominated limit are investigated analytically. Using a selfconsistent analytical model, we perform a detailed derivation of quasistatic magnetic fields in the laser pulse envelope in the collision-dominated limit to obtain exact analytical expressions for magnetic fields and discuss the dependence of magnetic fields on laser and plasma parameters. Equations for quasistatic magnetic fields including both axial component B_z and the azimuthal one B_$\theta$ are derived simultaneously from such a selfconsistent model. The dependence of quasistatic magnetic field on incident laser intensity, transverse focused radius of laser pulse, electron density and electron temperature is discussed.

Keywords: quasistatic magnetic field laser plasma

Revised: 17 December 2009
Accepted manuscript online:

PACS:	52.50.Jm	(Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))
	52.38.-r	(Laser-plasma interactions)

Fund: Project jointly supported by the National Natural Science Foundation of China (Grant Nos. 60621063, 60678007, and 10774184), the Chinese Academy of Sciences (Grant No. KJCX2-YW-T01), and the National Basic Research Program of China (Grant No. 2007CB815101).

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Zhang Lei(张蕾), Dong Quan-Li(董全力), Wang Shou-Jun(王首钧), Sheng Zheng-Ming(盛政明), and Zhang Jie(张杰) Quasistatic magnetic fields generated by a nonrelativistic intense laser pulse in uniform underdense plasma 2010 Chin. Phys. B 19 078701

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Quasistatic magnetic fields generated by a nonrelativistic intense laser pulse in uniform underdense plasma

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