Josephson junction coupled to a transmission line: another look at the problem

被引:5
作者
Moretti, P [1 ]
Mugnai, D [1 ]
Pignatelli, F [1 ]
Ranfagni, A [1 ]
机构
[1] CNR, Ist Ric Onde Elettromagnet Nello Carrara, I-50127 Florence, Italy
关键词
D O I
10.1016/S0375-9601(00)00367-4
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An alternative approach to the problem of tunneling processes at finite temperature in Josephson junctions, coupled to a transmission line which controls the dissipative effects, has been reformulated for a geometry more suitable for experiments. The results are then discussed in connection with the experimental data available up until now and with a view to new experiments on macroscopic quantum tunneling. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:139 / 144
页数:6
相关论文
共 18 条
[11]  
PIGNATELLI F, 1999, THESIS U FLORENCE
[12]   UNIFIED APPROACH TO QUANTUM FLUCTUATIONS IN TUNNELING INCLUDING DISSIPATION [J].
RANFAGNI, A ;
MUGNAI, D ;
ENGLMAN, R .
NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA D-CONDENSED MATTER ATOMIC MOLECULAR AND CHEMICAL PHYSICS FLUIDS PLASMAS BIOPHYSICS, 1987, 9 (08) :1009-1032
[13]   Traversal time as deduced from decay time measurements in Josephson junctions [J].
Ranfagni, A ;
Fabeni, P ;
Mugnai, D ;
Pazzi, GP ;
Schulman, LS ;
Ventura, G ;
Cristiano, R ;
Frunzio, L .
PHYSICA SCRIPTA, 1998, 58 (05) :538-542
[14]  
RANFAGNI A, 1990, TRAJECTORIES RAYS PA, P161
[15]   Observation of energy levels quantization in underdamped Josephson junctions above the classical-quantum regime crossover temperature [J].
Silvestrini, P ;
Palmieri, VG ;
Ruggiero, B ;
Russo, M .
PHYSICAL REVIEW LETTERS, 1997, 79 (16) :3046-3049
[16]   EFFECTS OF DISSIPATION AND TEMPERATURE ON MACROSCOPIC QUANTUM TUNNELING [J].
WASHBURN, S ;
WEBB, RA ;
VOSS, RF ;
FARIS, SM .
PHYSICAL REVIEW LETTERS, 1985, 54 (25) :2712-2715
[17]   DISSIPATIVE QUANTUM TUNNELING AT FINITE TEMPERATURES [J].
WAXMAN, D ;
LEGGETT, AJ .
PHYSICAL REVIEW B, 1985, 32 (07) :4450-4468
[18]  
1999, J SUPERCONDUCTIVITY, V12