NEW RESISTIVITY FOR HIGH-MOBILITY QUANTUM HALL CONDUCTORS

被引:224
|
作者
MCEUEN, PL [1 ]
SZAFER, A [1 ]
RICHTER, CA [1 ]
ALPHENAAR, BW [1 ]
JAIN, JK [1 ]
STONE, AD [1 ]
WHEELER, RG [1 ]
SACKS, RN [1 ]
机构
[1] UNITED TECHNOL RES CTR,E HARTFORD,CT 06108
关键词
D O I
10.1103/PhysRevLett.64.2062
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We present measurements showing dramatic nonlocal behavior in the four-terminal resistances of a high-mobility quantum Hall conductor. These measurements illustrate that the standard definition of the resistivity tensor is inappropriate, but they are in excellent agreement with a new model of the conductor that treats the edge and bulk conducting pathways independently. This model uses a single intensive parameter, analogous to a local resistivity for the bulk channel only, to characterize the system. © 1990 The American Physical Society.
引用
收藏
页码:2062 / 2065
页数:4
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