In the original version of this article, Figs. 2, 3, 4, 5, 7 and 8 need a correction due to an improvement of the computer code. The correct figures and captions are given below. There is no change in the contents of the original version. 2 laser pulse of 248 nm wavelength at concentric radius of 1 mm. After 100 ps, the dependence on the radius r is shown for the density of electrons N e , boron N b and hydrogen N h (sequence at r = 0 from above) using a 10 kilotesla magnetic fieldThe online version of the original article can be found under