IMPURITY EFFECTS IN CUPRATE SUPERCONDUCTORS

被引:151
作者
HOTTA, T
机构
[1] Department of Physics, Faculty of Science, Kyoto University
关键词
D O I
10.1143/JPSJ.62.274
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
In order to ''tract the information on the symmetry of the Cooper pair in high-T(c) superconductors, we study non-magnetic impurity effects on the density of states for several pairing states in 2-dim. square lattice. The assumed states are s-, extended s- and d-wave pairing ones. Only when we assume an anisotropic pairing state such as a d-wave pairing, we can explain the experimental results on nuclear spin relaxation rate observed in Zn-doped YBa2Cu3O7-delta.
引用
收藏
页码:274 / 280
页数:7
相关论文
共 27 条
  • [1] Abrikosov A., 1960, ZH EKSP TEOR FIZ, V39, p[1781, 1243]
  • [2] PHONON SUPPRESSION OF COHERENCE PEAK IN NUCLEAR-SPIN RELAXATION RATE OF SUPERCONDUCTORS
    ALLEN, PB
    RAINER, D
    [J]. NATURE, 1991, 349 (6308) : 396 - 398
  • [3] CORRELATIONS BETWEEN MAGNETIC AND SUPERCONDUCTING PROPERTIES OF ZN-SUBSTITUTED YBA2CU3O6+X
    ALLOUL, H
    MENDELS, P
    CASALTA, H
    MARUCCO, JF
    ARABSKI, J
    [J]. PHYSICAL REVIEW LETTERS, 1991, 67 (22) : 3140 - 3143
  • [4] ANALYSIS OF NMR DATA IN THE SUPERCONDUCTING STATE OF YBA2CU3O7
    BULUT, N
    SCALAPINO, DJ
    [J]. PHYSICAL REVIEW LETTERS, 1992, 68 (05) : 706 - 709
  • [5] PHENOMENOLOGY OF NUCLEAR-SPIN RELAXATION IN HIGH-TC SUPERCONDUCTORS
    COMBESCOT, R
    VARELOGIANNIS, G
    [J]. EUROPHYSICS LETTERS, 1992, 17 (07): : 625 - 630
  • [6] MANY-BODY EFFECTS ON NUCLEAR-RELAXATION RATES IN SUPERCONDUCTING STATES OF COPPER OXIDES
    FUJIMOTO, S
    [J]. JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN, 1992, 61 (03) : 765 - 769
  • [7] NMR AND NQR STUDIES OF SUPERCONDUCTIVITY IN HEAVILY DOPED TL2BA2CUO6+Y WITH A SINGLE CUO2 PLANE
    FUJIWARA, K
    KITAOKA, Y
    ISHIDA, K
    ASAYAMA, K
    SHIMAKAWA, Y
    MANAKO, T
    KUBO, Y
    [J]. PHYSICA C, 1991, 184 (4-6): : 207 - 219
  • [8] FUNG E, UNPUB
  • [9] SPIN DYNAMICS AT OXYGEN SITES IN YBA2CU3O7
    HAMMEL, PC
    TAKIGAWA, M
    HEFFNER, RH
    FISK, Z
    OTT, KC
    [J]. PHYSICAL REVIEW LETTERS, 1989, 63 (18) : 1992 - 1995
  • [10] RESONANT IMPURITY SCATTERING IN HEAVY FERMION SUPERCONDUCTORS
    HIRSCHFELD, P
    VOLLHARDT, D
    WOLFLE, P
    [J]. SOLID STATE COMMUNICATIONS, 1986, 59 (03) : 111 - 115