Superconducting single-electron transistor coupled to a locally tunable electromagnetic environment

被引：6
|
作者：
Lu, W [1 ]
Rimberg, AJ
Maranowski, KD
机构：
[1] Rice Univ, Dept Phys & Astron, Houston, TX 77005 USA
[2] Univ Calif Santa Barbara, Dept Mat, Santa Barbara, CA 93106 USA
来源：
APPLIED PHYSICS LETTERS | 2002年 / 81卷 / 26期
关键词：
D O I：
10.1063/1.1530731
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have developed a system consisting of a superconducting single-electron transistor (S-SET) coupled to a two-dimensional electron gas (2DEG), for which the dissipation can be tuned in the immediate vicinity of the S-SET. Such tuning can be performed easily, and provides access to a significant range of environmental impedances. For temperatures above 100 mK, we find qualitative agreement between measured changes in the S-SET conductance versus dissipation and a model incorporating electromagnetic fluctuations in both the S-SET leads and the 2DEG. (C) 2002 American Institute of Physics.
引用
收藏
页码：4976 / 4978
页数：3
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