Characteristics of first-order vortex lattice melting: Jumps in entropy and magnetization

被引：51

作者：

Dodgson, MJW ^{[1
]}

Geshkenbein, VB

Nordborg, H

Blatter, G

机构：

[1] ETH Honggerberg, CH-8093 Zurich, Switzerland

[2] LD Landau Theoret Phys Inst, Moscow 117940, Russia

[3] Argonne Natl Lab, Argonne, IL 60439 USA

来源：

PHYSICAL REVIEW LETTERS | 1998年 / 80卷 / 04期

关键词：

D O I：

10.1103/PhysRevLett.80.837

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We derive expressions for the jumps in entropy and magnetization characterizing the first-order melting transition of a flux line lattice. In our analysis we account for the temperature dependence of the Landau parameters and make use of the proper shape of the melting line as determined by the relative importance of electromagnetic and Josephson interactions. The results agree well with experiments on anisotropic Y1Ba2Cu3O7-delta and layered Bi2Sr2Ca1Cu2O8 materials and reaffirm the validity of the London model.

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页码：837 / 840

页数：4

相关论文

共 16 条

[1] 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

[2] Low-field phase diagram of layered superconductors: The role of electromagnetic coupling [J].

Blatter, G ;

Geshkenbein, V ;

Larkin, A ;

Nordborg, H .

PHYSICAL REVIEW B, 1996, 54 (01) :72-75

[3] FLUX LATTICE MELTING IN HIGH-TC SUPERCONDUCTORS [J].

HOUGHTON, A ;

PELCOVITS, RA ;

SUDBO, A .

PHYSICAL REVIEW B, 1989, 40 (10) :6763-6770

[4] Universal phase diagram for vortex states of layered superconductors in strong magnetic fields [J].

Hu, J ;

MacDonald, AH .

PHYSICAL REVIEW B, 1997, 56 (05) :2788-2799

[5] Specific heat peaks observed up to 16 T on the melting line of the vortex lattice in YBa2Cu3O7 [J].

Junod, A ;

Roulin, M ;

Genoud, JY ;

Revaz, B ;

Erb, A ;

Walker, E .

PHYSICA C, 1997, 275 (3-4) :245-258

[6]

Landau L. D., 1937, PHYS Z SOWJETUNION, V11, P26, DOI DOI 10.1038/138840A0

[7] VORTEX ENTANGLEMENT IN HIGH-TC SUPERCONDUCTORS [J].

NELSON, DR .

PHYSICAL REVIEW LETTERS, 1988, 60 (19) :1973-1976

[8] Vortices and 2D bosons: A path-integral Monte Carlo study [J].

Nordborg, H ;

Blatter, G .

PHYSICAL REVIEW LETTERS, 1997, 79 (10) :1925-1928

[9]

NORDBORG H, UNPUB

[10] 1ST-ORDER PHASE-TRANSITION AT THE IRREVERSIBILITY LINE OF BI2SR2CACU2O8+DELTA [J].

PASTORIZA, H ;

GOFFMAN, MF ;

ARRIBERE, A ;

DELACRUZ, F .

PHYSICAL REVIEW LETTERS, 1994, 72 (18) :2951-2954