Resonant macroscopic quantum tunneling in SQUID systems

被引：20

作者：

Silvestrini, P ^{[1
]}

Ruggiero, B ^{[1
]}

Ovchinnikov, YN ^{[1
]}

机构：

[1] RUSSIAN ACAD SCI, LANDAU INST THEORET PHYS, MOSCOW, RUSSIA

来源：

PHYSICAL REVIEW B | 1996年 / 54卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.54.1246

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A detailed theoretical analysis of the resonant macroscopic quantum tunneling in superconducting quantum interference device systems is presented. Our approach allows us to include the effect of both temperature and sweeping rate of the external flux, and to study the phenomenon both in quasistationary and nonstationary conditions, which can be induced by a fast sweep of the external bias. Moreover we compare our theory with the experimental data of Rouse, Han, and Lukens [Phys. Rev. Lett. 75, 1614 (1995)] referring to the quasi-stationary case, while other observable effects are predicted in the nonstationary case.

引用

页码：1246 / 1250

页数：5

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