NOVEL EDGE EXCITATIONS OF 2-DIMENSIONAL ELECTRON LIQUID IN A MAGNETIC-FIELD

被引:146
作者
ALEINER, IL
GLAZMAN, LI
机构
[1] Theoretical Physics Institute, School of Physics and Astronomy, University of Minnesota, Minneapolis, MN 55455
关键词
D O I
10.1103/PhysRevLett.72.2935
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigate the low-energy spectrum of excitations of a compressible electron liquid in a strong magnetic field. These excitations axe localized at the periphery of the system. The analysis of a realistic model of a smooth edge yields new branches of acoustic excitation spectrum in addition to the well known edge magnetoplasmon mode. The velocities are found and the observability conditions are established for the new modes.
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页码:2935 / 2938
页数:4
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