Experimental observation and numerical analysis of arc plasmas diffused by magnetism L. C. Li, W. D. Xia, H. L. Zhou, Z. P. Zhou and B. Bai Eur. Phys. J. D, 47 1 (2008) 75-81 Published online: 19 December 2007 DOI: 10.1140/epjd/e2007-00334-y