Magnetic field ﹩B_{x}/ B_{0}﹩ along the y‐axis with ﹩x=5L_{0}﹩ at ﹩\omega _{pe}t=0﹩ (dotted line), 50 (dashed line), 100 (solid line), and 150 (bold solid line). The horizontal axis normalized by the initial sheet width ﹩L_{0}﹩ indicates the y‐direction, where the magnetic neutral point is located at ﹩y=0.0﹩.