Superconductor-insulator transition in a tunable dissipative environment

被引：36

作者：

Wagenblast, KH ^{[1
]}

vanOtterlo, A ^{[1
]}

Schon, G ^{[1
]}

Zimanyi, GT ^{[1
]}

机构：

[1] UNIV CALIF DAVIS,DEPT PHYS,DAVIS,CA 95616

来源：

PHYSICAL REVIEW LETTERS | 1997年 / 79卷 / 14期

关键词：

D O I：

10.1103/PhysRevLett.79.2730

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We study the influence of a tunable dissipative environment on the dynamics of Josephson junction arrays near the superconductor-insulator transition. The experimental realization of the environment is a two dimensional electron gas coupled capacitively to the array. This setup allows for the well controlled tuning of the dissipation by changing the resistance of the two dimensional electron gas. The capacitive coupling cuts off the dissipation at low frequencies. We determine the phase diagram and calculate the temperature and dissipation dependence of the array conductivity. We find good agreement with recent experimental results.

引用

页码：2730 / 2733

页数：4

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