Inductive probing of the integer quantum Hall effect

被引:31
作者
Yahel, E [1 ]
Orgad, D [1 ]
Palevski, A [1 ]
Shtrikman, H [1 ]
机构
[1] WEIZMANN INST SCI,DEPT CONDENSED MATTER,IL-76100 REHOVOT,ISRAEL
关键词
D O I
10.1103/PhysRevLett.76.2149
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigated the integer quantum Hall effect (IQHE) using an inductive method. The following conclusions can be derived from our study: (i) When the Fermi energy is located between Landau levels the only extended states at the Fermi energy are located at the physical edges of the sample. (ii) The extended states located at the bulk of the sample below the Fermi energy are capable of carrying a substantial amount of Hall current, but cannot screen an external electrostatic potential.
引用
收藏
页码:2149 / 2152
页数:4
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