Critical current density for the dissipationless quantum Hall effect

被引:44
作者
Bliek, L
Braun, E
Hein, G
Kose, V
Niemeyer, J
Weimann, G
Schlapp, W
机构
[1] Phys Tech Bundesanstalt, D-3300 Braunschweig, Germany
[2] FTZ, DBP, Forschungsinst, D-6100 Darmstadt, Germany
关键词
D O I
10.1088/0268-1242/1/2/002
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In quantum Hall effect experiments, there is a critical measuring current, beyond which dissipation becomes apparent. Using samples with a narrow constriction in the middle, we have observed critical current densities which are much higher than previously reported values.
引用
收藏
页码:110 / 112
页数:3
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