Kilotesla plasmoid formation by a trapped relativistic laser beam
M. Ehret, Yu. Kochetkov, Y. Abe, K. F. F. Law, N. Bukharskii, V. Stepanischev, S. Fujioka, E. d'Humières, B. Zielbauer, V. Bagnoud, G. Schaumann, M. Roth, V. Tikhonchuk, J.J. Santos, Ph. Korneev