A treatment is given using asymptotic matching techniques of the boundary between an active collisional plasma and a collisional sheath. This shows that the one joins smoothly with the other and that it is not appropriate to talk of a modified Bohm criterion in this physical situation.
机构:
Dalian Univ Technol, Dept Phys, State Key Lab Mat Modificat Laser Electron & Ion, Dalian 116023, Peoples R ChinaDalian Univ Technol, Dept Phys, State Key Lab Mat Modificat Laser Electron & Ion, Dalian 116023, Peoples R China
Dai, ZL
Wang, YN
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机构:
Dalian Univ Technol, Dept Phys, State Key Lab Mat Modificat Laser Electron & Ion, Dalian 116023, Peoples R ChinaDalian Univ Technol, Dept Phys, State Key Lab Mat Modificat Laser Electron & Ion, Dalian 116023, Peoples R China