Coherence effects in double-barrier Josephson junctions

被引：63

作者：

Brinkman, A ^{[1
]}

Golubov, AA ^{[1
]}

机构：

[1] Univ Twente, Dept Appl Phys, NL-7500 AE Enschede, Netherlands

来源：

PHYSICAL REVIEW B | 2000年 / 61卷 / 17期

关键词：

D O I：

10.1103/PhysRevB.61.11297

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The general solution for ballistic electronic transport through double-barrier Josephson junctions is derived. We show the existence of a regime of phase-coherent transport in which the supercurrent is proportional to the single-barrier transparency and the way in which this coherence is destroyed for increasing interlayer thickness. The quasiparticle de current at arbitrary voltage is determined.

引用

页码：11297 / 11300

页数：4

共 21 条

[11]

GONCHAROV DV, 1998, P 6 INT S ST PET RUS, P241

[12]

Gudkov A. L., 1988, Soviet Physics - JETP, V67, P1478

[13] Resonant multiple Andreev reflections in mesoscopic superconducting junctions [J].

Johansson, G ;

Bratus, EN ;

Shumeiko, VS ;

Wendin, G .

PHYSICAL REVIEW B, 1999, 60 (02) :1382-1393

[14] POSSIBLE NEW EFFECTS IN SUPERCONDUCTIVE TUNNELLING [J].

JOSEPHSON, BD .

PHYSICS LETTERS, 1962, 1 (07) :251-253

[15] SUPERCONDUCTING WEAK LINKS [J].

LIKHAREV, KK .

REVIEWS OF MODERN PHYSICS, 1979, 51 (01) :101-159

[16] REFLECTIONLESS TUNNELING THROUGH A DOUBLE-BARRIER NS JUNCTION [J].

MELSEN, JA ;

BEENAKKER, CWJ .

PHYSICA B, 1994, 203 (3-4) :219-225

[17] CIRCUIT-THEORY OF ANDREEV CONDUCTANCE [J].

NAZAROV, YV .

PHYSICAL REVIEW LETTERS, 1994, 73 (10) :1420-1423

[18] Anomalous critical current in double-barrier Nb/Al-AlOx-Al-AlOx-Nb devices [J].

Nevirkovets, IP ;

Ketterson, JB ;

Lomatch, S .

APPLIED PHYSICS LETTERS, 1999, 74 (11) :1624-1626

[19] Resonant Josephson tunneling in S-I-S′-I-S multilayered devices [J].

Nevirkovets, IP ;

Shafranjuk, SE .

PHYSICAL REVIEW B, 1999, 59 (02) :1311-1317

[20] Nb/Al/AlOx/AlOx/Al/Nb Josephson junctions for programmable voltage standards [J].

Schulze, H ;

Behr, R ;

Muller, F ;

Niemeyer, J .

APPLIED PHYSICS LETTERS, 1998, 73 (07) :996-998

← 1 2 3 →