Resonant macroscopic quantum tunneling in small Josephson junctions: Effect of temperature

被引：15
|
作者：
Silvestrini, P
Ruggiero, B
Ovchinnikov, YN
Barone, A
机构：
[1] RUSSIAN ACAD SCI,LD LANDAU THEORET PHYS INST,MOSCOW,RUSSIA
[2] UNIV NAPLES FEDERICO II,DIPARTIMENTO SCI FIS,I-80127 NAPLES,ITALY
来源：
PHYSICAL REVIEW B | 1996年 / 53卷 / 01期
关键词：
D O I：
10.1103/PhysRevB.53.67
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Within the well-established quantum picture of Josephson junctions, we study the possibility of resonant macroscopic quantum tunneling. Expressions for the Lifetime of metastable states are obtained and the effects of temperature on the main features of the phenomenon are discussed. A ''saturation temperature'' for the process, below which any temperature effect is negligible, is identified. Quantitative considerations are also given on the actual experimental accessibility to these measurements.
引用
收藏
页码：67 / 70
页数：4
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