欠掺杂Bi2Sr2CaCu2O8+d中面内磁场诱导的涡旋液体关联
超导电性
2010-12-24 v1
摘要
通过测量约瑟夫森等离子体共振，我们探测了面内磁场对重欠掺杂Bi2Sr2CaCu2O8+d（Tc = 72.4 ± 0.6 K）单晶中沿c轴方向的饼状涡旋关联的影响，测量覆盖了涡旋液体和涡旋固体两个相。面内磁场在接近熔化线的液态中增强了层间相位相干性，而在固态中则略微抑制了它。这被解释为饼状涡旋和约瑟夫森涡旋之间存在吸引力，这种力显然也存在于涡旋液体态中。结果揭示了饼状涡旋适应约瑟夫森涡旋的关联涡旋液体与通常的均匀液体之间的边界。
引用
@article{arxiv.cond-mat/0607714,
title = {Vortex liquid correlations induced by in-plane field in underdoped Bi2Sr2CaCu2O8+d},
author = {Panayotis Spathis and Marcin Konczykowski and Cornelis J. van der Beek and Piotr Gierlowski and Ming Li and Peter Kes},
journal= {arXiv preprint arXiv:cond-mat/0607714},
year = {2010}
}
备注
2 pages, submitted to the Proceedings of M2S HTSC VIII Dresden