Vortex state in double transition superconductors
超导电性
2007-08-01 v1
摘要
Novel vortex phase and nature of double transition field are investigated by two-component Ginzburg-Landau theory in a situation where fourfold-twofold symmetric superconducting double transition occurs. The deformation from 60 degree triangular vortex lattice and a possibility of the vortex sheet structure are discussed. In the presence of the gradient coupling, the transition changes to a crossover at finite fields. These characters are important to identify the multiple superconducting phase in PrOs_4_Sb_12.
引用
@article{arxiv.cond-mat/0402486,
title = {Vortex state in double transition superconductors},
author = {Yasushi Matsunaga and Masanori Ichioka and Kazushige Machida},
journal= {arXiv preprint arXiv:cond-mat/0402486},
year = {2007}
}
备注
4 pages, 4 figures, to appear in Phys. Rev. Lett