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

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

中国物理B ›› 2010, Vol. 19 ›› Issue (7): 78701-078701.doi: 10.1088/1674-1056/19/7/078701

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

张蕾¹, 董全力¹, 王首钧¹, 盛政明², 张杰²

(1)Beijing National Laboratory of Condensed Matter Physics, Chinese Academy of Sciences, Institute of Physics, Beijing 100190, China; (2)Beijing National Laboratory of Condensed Matter Physics, Chinese Academy of Sciences, Institute of Physics, Beijing 100190, China;Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China

修回日期:2009-12-17 出版日期:2010-07-15 发布日期:2010-07-15
基金资助:
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).

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

Zhang Lei(张蕾)^a), Dong Quan-Li(董全力)^a)†, Wang Shou-Jun(王首钧)^a), Sheng Zheng-Ming(盛政明)^a)b), and Zhang Jie(张杰)^a)b)

^a Beijing National Laboratory of Condensed Matter Physics, Chinese Academy of Sciences, Institute of Physics, Beijing 100190, China; ^b Department of Physics, Shanghai Jiao Tong University, Shanghai 200240, China

Revised:2009-12-17 Online:2010-07-15 Published:2010-07-15
Supported by:
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).

摘要/Abstract

摘要： 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_θ 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.

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.

Key words: quasistatic magnetic field, laser, plasma

中图分类号: (Plasma production and heating by laser beams (laser-foil, laser-cluster, etc.))

52.50.Jm

52.38.-r (Laser-plasma interactions)

张蕾, 董全力, 王首钧, 盛政明, 张杰. Quasistatic magnetic fields generated by a nonrelativistic intense laser pulse in uniform underdense plasma[J]. 中国物理B, 2010, 19(7): 78701-078701.

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[J]. Chin. Phys. B, 2010, 19(7): 78701-078701.

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

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

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