Microwave-induced steps in Josephson junctions, DC-SQUIDs and parallel arrays

被引:7
作者
Heinz, E
Seidel, P
机构
[1] Institut für Festkörperphysik, Friedrich-Schiller- Universität, D-07743 Jena
关键词
D O I
10.1007/BF02399620
中图分类号
O59 [应用物理学];
学科分类号
摘要
We have studied the characteristics of Shapiro steps in DC-SQUIDs and parallel Josephson junction arrays by means of numerical circuit simulation within the RCSJ model. Particular interest was dedicated to the occurence of fractional (subharmonic) steps, looking for possible relations to recent observations of this effect in high-T-C junctions. Besides this, some new, peculiar effects in the dependence of step height vs. RF amplitude have been found, that correspond to characteristics measured on high-T-C junctions and SQUIDs. The results cast be useful for characterizing experimental Josephson junctions and circuits by studying dependencies of Shapiro steps.
引用
收藏
页码:233 / 242
页数:10
相关论文
共 22 条
  • [1] BARONE A, 1982, PHYSICS APPLICATIONS
  • [2] FRACTIONAL GIANT SHAPIRO STEPS AND SPATIALLY CORRELATED PHASE MOTION IN 2D JOSEPHSON ARRAYS
    BENZ, SP
    RZCHOWSKI, MS
    TINKHAM, M
    LOBB, CJ
    [J]. PHYSICAL REVIEW LETTERS, 1990, 64 (06) : 693 - 696
  • [3] DAUMLING M, 1992, APPL PHYS LETT, V61, P1355, DOI 10.1063/1.107590
  • [4] HALF-INTEGRAL CONSTANT VOLTAGE STEPS IN HIGH-TC GRAIN-BOUNDARY JUNCTIONS
    EARLY, EA
    CLARK, AF
    CHAR, K
    [J]. APPLIED PHYSICS LETTERS, 1993, 62 (25) : 3357 - 3359
  • [5] ANALOG-COMPUTER STUDIES OF SUBHARMONIC STEPS IN SUPERCONDUCTING WEAK LINKS
    HAMILTON, CA
    JOHNSON, EG
    [J]. PHYSICS LETTERS A, 1972, A 41 (04) : 393 - &
  • [6] HEINZ E, 1994, WEAK SUPERCONDUCTIVI, P78
  • [7] CHARACTERISTICS OF YBA2CU3OY STEP-EDGE JOSEPHSON-JUNCTIONS ON MGO SUBSTRATE
    KU, LC
    CHO, HM
    LU, JH
    WANG, SY
    JIAN, WB
    YANG, HC
    HORNG, HE
    [J]. PHYSICA C, 1994, 229 (3-4): : 320 - 324
  • [8] SIMULATION OF JOSEPHSON JUNCTION IN A MICROWAVE FIELD
    KUZNIK, J
    ODEHNAL, M
    SEIDEL, P
    [J]. JOURNAL OF LOW TEMPERATURE PHYSICS, 1988, 72 (5-6) : 391 - 406
  • [9] ANALOG SIMULATIONS OF JOSEPHSON JUNCTION IN A MICROWAVE FIELD - DEVILS STAIRCASE, FRACTAL DIMENSION, AND DECAY CONSTANTS
    KUZNIK, J
    ODEHNAL, M
    [J]. JOURNAL OF LOW TEMPERATURE PHYSICS, 1986, 65 (5-6) : 353 - 374
  • [10] Likharev K.K., 1986, Dynamics of Josephson Junctions and Circuits