Disk-shaped electronic bubbles in gaseous helium

被引:0
作者
V. B. Shikin
机构
[1] Russian Academy of Sciences,Institute of Solid
来源
Journal of Experimental and Theoretical Physics Letters | 2004年 / 80卷
关键词
67.55.Ig;
D O I
暂无
中图分类号
学科分类号
摘要
The structure of 2D anions placed on a hydrogen substrate in the presence of gaseous helium is discussed. It is shown that these structures, shaped like quasi-two-dimensional disks, are created in a threshold-like manner in the vicinity of critical density nc∼1020 cm−3, which is appreciably lower than the critical density for the appearance of spherical electronic bubbles in gas and linearly depends on temperature. Experiment confirms the existence of such autolocalized states.
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页码:417 / 420
页数:3
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