Possible tricritical point in phase diagrams of interlayer Josephson-vortex systems in high-Tc superconductors

被引：53

作者：

Hu, X ^{[1
]}

Tachiki, M ^{[1
]}

机构：

[1] Natl Res Inst Met, Tsukuba, Ibaraki 3050047, Japan

来源：

PHYSICAL REVIEW LETTERS | 2000年 / 85卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.85.2577

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A critical value in the product of the anisotropy parameter and the magnetic field is observed in interlayer Josephson-vortex systems by extensive Monte Carlo simulations. Below (above) this critical value the thermodynamic phase transition between the normal and the superconducting states upon temperature sweeping is first (second) order. It is discussed that the origin of this tricritical point is the highly anisotropic layered structure of high-T-c superconductors.

引用

页码：2577 / 2580

页数：4

共 27 条

[21] PHASE-TRANSITIONS AND VORTEX-LINE ENTANGLEMENT IN A MODEL HIGH-TEMPERATURE SUPERCONDUCTOR [J].