VORTEX-LOOP FLUCTUATIONS AND VORTEX-LINE-LATTICE MELTING IN LAYERED SUPERCONDUCTORS

被引：14

作者：

CARNEIRO, G

机构：

[1] Departamento de Física, Pontificia Universidade Católica do Rio de Janeiro, Rio de Janeiro, RJ 22452

来源：

PHYSICA C | 1991年 / 183卷 / 4-6期

关键词：

D O I：

10.1016/0921-4534(91)90583-K

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In layered superconductors with weak interlayer coupling between phase fluctuations, thermal excitation of vortex-loops parallel to the layers affects considerably the elastic properties of vortex-line-lattices perpendicular to the layers, as found in ref. [8]. The predicted Lindemman criterion melting curve is T(M)H = const. x exp{-aT}. A simple derivation of this result, based on London Theory, is given. Experimental results on BiSrCaCu oxides (BSCCO) are analyzed. Good agreement with this prediction is found with a approximately 15 for single crystals and a approximately 8 for c-axis oriented powders.

引用

页码：360 / 364

页数：5

共 12 条

[1]

CARNEIRO GM, 1991, IN PRESS PHYS REV B

[2] THE IRREVERSIBILITY LINE OF BI2-XPBXSR2CA2CU3O10 - A POSSIBLE BREAKDOWN OF AN INTRINSIC PROXIMITY EFFECT [J].