COULOMB GAP AND CORRELATED VORTEX PINNING IN SUPERCONDUCTORS

被引：37

作者：

TAUBER, UC

DAI, HJ

NELSON, DR

LIEBER, CM

机构：

[1] HARVARD UNIV,DIV APPL SCI,CAMBRIDGE,MA 02138

[2] HARVARD UNIV,DEPT CHEM,CAMBRIDGE,MA 02138

来源：

PHYSICAL REVIEW LETTERS | 1995年 / 74卷 / 25期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1103/PhysRevLett.74.5132

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The positions of columnar pins and magnetic flux lines determined from a decoration experiment on Bi2Sr2CaCu2O8 were used to calculate the distribution of pinning energies in the Bose glass phase. A wide Coulomb gap is found, with effective gap exponent seff1.2, as a result of interactions between the vortices. As a consequence, the variable-range hopping transport of flux lines is considerably reduced with respect to the noninteracting case, the effective Mott exponent being enhanced from p0=1/3 to peff0.5 for this sample. © 1995 The American Physical Society.

引用

收藏

页码：5132 / 5135

页数：4

相关论文

共 15 条

[1] VORTEX PINNING IN ION-IRRADIATED NBSE2 STUDIED BY SCANNING-TUNNELING-MICROSCOPY [J].

BEHLER, S ;

PAN, SH ;

JESS, P ;

BARATOFF, A ;

GUNTHERODT, HJ ;

LEVY, F ;

WIRTH, G ;

WIESNER, J .

PHYSICAL REVIEW LETTERS, 1994, 72 (11) :1750-1753

[2] SCANNING-TUNNELING-MICROSCOPY STUDY OF PINNING-INDUCED VORTEX LATTICE DISTORTION IN ION-IRRADIATED NBSE2 [J].

BEHLER, S ;

BERNASCONI, M ;

JESS, P ;

HOFER, R ;

GUNTHERODT, HJ ;

WIRTH, G ;

WIESNER, J .

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1994, 94 (03) :213-215

[3] VORTICES IN HIGH-TEMPERATURE SUPERCONDUCTORS [J].

BLATTER, G ;

FEIGELMAN, MV ;

GESHKENBEIN, VB ;

LARKIN, AI ;

VINOKUR, VM .

REVIEWS OF MODERN PHYSICS, 1994, 66 (04) :1125-1388

[4] GIANT SUPPRESSION OF FLUX-FLOW RESISTIVITY IN HEAVY-ION IRRADIATED TL2BA2CA2CU3O10 FILMS - INFLUENCE OF LINEAR DEFECTS ON VORTEX TRANSPORT [J].

BUDHANI, RC ;

SUENAGA, M ;

LIOU, SH .

PHYSICAL REVIEW LETTERS, 1992, 69 (26) :3816-3819

[5] VORTEX CONFINEMENT BY COLUMNAR DEFECTS IN YBA2CU3O7 CRYSTALS - ENHANCED PINNING AT HIGH FIELDS AND TEMPERATURES [J].

CIVALE, L ;

MARWICK, AD ;

WORTHINGTON, TK ;

KIRK, MA ;

THOMPSON, JR ;

KRUSINELBAUM, L ;

SUN, Y ;

CLEM, JR ;

HOLTZBERG, F .

PHYSICAL REVIEW LETTERS, 1991, 67 (05) :648-651

[6] SIMULTANEOUS OBSERVATION OF COLUMNAR DEFECTS AND MAGNETIC-FLUX LINES IN HIGH-TEMPERATURE BI2SR2CACU2O8 SUPERCONDUCTORS [J].

DAI, HJ ;

YOON, SW ;

LIU, J ;

BUDHANI, RC ;

LIEBER, CM .

SCIENCE, 1994, 265 (5178) :1552-1555

[7] PROPERTIES OF THE ELECTRON GLASS [J].

DAVIES, JH ;

LEE, PA ;

RICE, TM .

PHYSICAL REVIEW B, 1984, 29 (08) :4260-4271

[8] ELECTRON GLASS [J].

DAVIES, JH ;

LEE, PA ;

RICE, TM .

PHYSICAL REVIEW LETTERS, 1982, 49 (10) :758-761

[9] VORTEX VARIABLE-RANGE-HOPPING RESISTIVITY IN SUPERCONDUCTING FILMS [J].

FISHER, MPA ;

TOKUYASU, TA ;

YOUNG, AP .

PHYSICAL REVIEW LETTERS, 1991, 66 (22) :2931-2934

[10] EFFECT OF 5.3-GEV PB-ION IRRADIATION ON IRREVERSIBLE MAGNETIZATION IN Y-BA-CU-O CRYSTALS [J].

KONCZYKOWSKI, M ;

RULLIERALBENQUE, F ;

YACOBY, ER ;

SHAULOV, A ;

YESHURUN, Y ;

LEJAY, P .

PHYSICAL REVIEW B, 1991, 44 (13) :7167-7170