QUANTUM FLUCTUATIONS AND THE SINGLE-JUNCTION COULOMB BLOCKADE

被引:237
作者
GIRVIN, SM
GLAZMAN, LI
JONSON, M
PENN, DR
STILES, MD
机构
[1] ACAD SCI USSR,INST MICROELECTR TECHNOL & HIGH PUR MET,CHERNOGOLOVKA 142432,USSR
[2] OAK RIDGE NATL LAB,DIV SOLID STATE,OAK RIDGE,TN 37831
[3] NATL INST STAND & TECHNOL,GAITHERSBURG,MD 20899
关键词
D O I
10.1103/PhysRevLett.64.3183
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We investigate the effect of quantum fluctuations on the Coulomb blockade in a single tunnel junction coupled to its environment by a transmission line of arbitrary impedance Z(). The quantized oscillation modes of the transmission line are suddenly displaced when an electron tunnels through the junction. For small Z (relative to the quantum of resitance), a weak power-law zero-bias anomaly occurs associated with the infrared-divergent shakeup of low-frequency transmission-line modes. For large Z, the full blockade is recovered. Comparison with recent experiments is made. © 1990 The American Physical Society.
引用
收藏
页码:3183 / 3186
页数:4
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