An electron Penning-Malmberg trap, which can confine an electron column and provide a good platform to investigate the cross-field transportation of a strongly magnetized electron plasma, has been set up. With the dev...An electron Penning-Malmberg trap, which can confine an electron column and provide a good platform to investigate the cross-field transportation of a strongly magnetized electron plasma, has been set up. With the device, an electron plasma with a density of 107 cm-3 can be confined for a relatively long time. The structure of the trap, electron source, as well as the way how to measure electron plasma density profile and velocity distribution are introduced in detail.展开更多
基金This work was supported by National Natural Science Foundation of China No. 19975047, 10075046 .
文摘An electron Penning-Malmberg trap, which can confine an electron column and provide a good platform to investigate the cross-field transportation of a strongly magnetized electron plasma, has been set up. With the device, an electron plasma with a density of 107 cm-3 can be confined for a relatively long time. The structure of the trap, electron source, as well as the way how to measure electron plasma density profile and velocity distribution are introduced in detail.
