摘要
Some new approaches for nonlinear force-free magnetic field are presented and new exact solutions are found analytically. Examples are given and some implications of results to astrophysical solar plasmas as well as tokamak or/and spheromak plasmas are discussed.
基金
The project supported by National Natural Science Foundation of China under Grant No. 10475009 and the New Century Excellent Talents in Universities of China. I would like to thank Prof. Y.N. Huang for useful discussions.
