Phase diagram of a lattice of vortex molecules in multicomponent superconductors and multilayer cuprate superconductors

被引：7
作者：
Tanaka, Y. [1 ]
Shivagan, D. D. [1 ]
Crisan, A. [2 ,3 ]
Iyo, A. [1 ]
Shirage, P. M. [1 ]
Tokiwa, K. [4 ]
Watanabe, T. [4 ]
Terada, N. [5 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan
[2] Natl Inst Mat Phys, Bucharest 077125, Romania
[3] Univ Birmingham, Dept Met & Mat, Birmingham B15 2TT, W Midlands, England
[4] Tokyo Univ Sci, Dept Appl Elect, Noda, Chiba 278851, Japan
[5] Kagoshima Univ, Grad Sch Sci & Engn, Dept Nanostruct & Adv Mat, Kagoshima 8900065, Japan
来源：
SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2008年 / 21卷 / 08期
关键词：
D O I：
10.1088/0953-2048/21/8/085011
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The Abrikosov lattice in the multilayer cuprate superconductor CuBa2Ca3Cu3Oy (Cu-1223) has been experimentally and theoretically demonstrated to be composed of vortex molecules. Cu-1223 is considered to be a typical multicomponent superconductor. We show that in such a system the rotational freedom around the axis of the vortex molecular tube generates orientational disorder and the orientational glass (or crystal) phase, which is never present in conventional vortex lattices consisting of axisymmetric vortices. The emergence of the orientational glass phase and orientational order phase with orthorhombic distortion is a general property of vortex molecule lattices of the multiband type of multicomponent superconductors.
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页数：17
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