BROWNIAN-MOTION OF VORTEX-ANTIVORTEX EXCITATIONS IN VERY THIN-FILMS OF BI2SR2CACU2O8

被引：67

作者：

ROGERS, CT

MYERS, KE

ECKSTEIN, JN

BOZOVIC, I

机构：

[1] VARIAN RES CTR,PALO ALTO,CA 94304

[2] STANFORD UNIV,DEPT APPL PHYS,STANFORD,CA 94305

来源：

PHYSICAL REVIEW LETTERS | 1992年 / 69卷 / 01期

关键词：

D O I：

10.1103/PhysRevLett.69.160

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Low-frequency magnetic noise and mutual inductance measurements indicate that the electromagnetic response of very thin Bi2Sr2CaCu2O8 films is dominated by Arrhenius law diffusion of thermally created vortices and antivortices. We explain the measured diffusion coefficient via pinning of the vortex cores on a single type of line defect. The observed superfluid response differs from simple Kosterlitz-Thouless predictions as it is predominantly controlled by vortex-pin rather than vortex-antivortex interactions.

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页码：160 / 163

页数：4

相关论文

共 23 条

[1] DISSIPATION IN 2-DIMENSIONAL SUPERFLUIDS [J].

AMBEGAOKAR, V ;

HALPERIN, BI ;

NELSON, DR ;

SIGGIA, ED .

PHYSICAL REVIEW LETTERS, 1978, 40 (12) :783-786

[2] POSSIBILITY OF VORTEX-ANTIVORTEX PAIR DISSOCIATION IN 2-DIMENSIONAL SUPERCONDUCTORS [J].

BEASLEY, MR ;

MOOIJ, JE ;

ORLANDO, TP .

PHYSICAL REVIEW LETTERS, 1979, 42 (17) :1165-1168

[3]

BOZOVIC I, IN PRESS J SUPERCOND

[4] THERMALLY ACTIVATED FLUX MOTION IN ARTIFICIALLY GROWN YBA2CU3O7/PRBA2CU3O7 SUPERLATTICES [J].

BRUNNER, O ;

ANTOGNAZZA, L ;

TRISCONE, JM ;

MIEVILLE, L ;

FISCHER, O .

PHYSICAL REVIEW LETTERS, 1991, 67 (10) :1354-1357

[5] KOSTERLITZ-THOULESS TRANSITION IN HIGH-TC SUPERCONDUCTOR FILMS [J].

DAVIS, LC ;

BEASLEY, MR ;

SCALAPINO, DJ .

PHYSICAL REVIEW B, 1990, 42 (01) :99-104

[6]

DOUGLAS H, 1990, PHYS REV LETT, V65, P1160

[7] ATOMICALLY LAYERED HETEROEPITAXIAL GROWTH OF SINGLE-CRYSTAL FILMS OF SUPERCONDUCTING BI2SR2CA2CU3OX [J].

ECKSTEIN, JN ;

BOZOVIC, I ;

VONDESSONNECK, KE ;

SCHLOM, DG ;

HARRIS, JS ;

BAUMANN, SM .

APPLIED PHYSICS LETTERS, 1990, 57 (09) :931-933

[8] GROWTH OF UNTWINNED BI2SR2CA2CU3OX THIN-FILMS BY ATOMICALLY LAYERED EPITAXY [J].

ECKSTEIN, JN ;

BOZOVIC, I ;

SCHLOM, DG ;

HARRIS, JS .

APPLIED PHYSICS LETTERS, 1990, 57 (10) :1049-1051

[9] DISTRIBUTION OF FLUX-PINNING ENERGIES IN YBA2CU3O7-DELTA AND BI2SR2CACU2O8+DELTA FROM FLUX NOISE [J].

FERRARI, MJ ;

JOHNSON, M ;

WELLSTOOD, FC ;

CLARKE, J ;

MITZI, D ;

ROSENTHAL, PA ;

EOM, CB ;

GEBALLE, TH ;

KAPITULNIK, A ;

BEASLEY, MR .

PHYSICAL REVIEW LETTERS, 1990, 64 (01) :72-75

[10] FLUX-LATTICE MELTING IN THIN-FILM SUPERCONDUCTORS [J].

FISHER, DS .

PHYSICAL REVIEW B, 1980, 22 (03) :1190-1199