OBSERVATION OF MACROSCOPIC QUANTUM TUNNELING THROUGH THE COULOMB ENERGY BARRIER

被引：106
|
作者：
GEERLIGS, LJ [1 ]
AVERIN, DV [1 ]
MOOIJ, JE [1 ]
机构：
[1] UNIV CALIF BERKELEY,DEPT PHYS,BERKELEY,CA 94720
来源：
PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 24期
关键词：
D O I：
10.1103/PhysRevLett.65.3037
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The conductance of linear arrays of two and three normal-metal small tunnel junctions is studied for bias voltages V below the Coloumb-blockade threshold. At low temperature, we find evidence for macroscopic quantum tunneling of the electric charge (q-MQT) through the Coulomb energy barrier. For double junctions the tunneling rate scales as V3, and approximately as the product of the junction conductances, as predicted by the theory of inelastic q-MQT. © 1990 The American Physical Society.
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收藏
页码：3037 / 3040
页数：4
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