铜系超导体中量子临界性与场诱导量子涨落的宏观证据
超导电性
2007-10-26 v3
摘要
我们在不同掺杂水平和不同 CuO 层数单位胞内的铜系超导体中,提供了关于场诱导微观量子涨落的宏观实验证据。所有铜系超导体的零温平面磁不可逆场显著低于参数磁场,这表明铜系材料临近量子临界性,具有强烈的量子涨落。
引用
@article{arxiv.cond-mat/0612380,
title = {Macroscopic evidence for quantum criticality and field-induced quantum fluctuations in cuprate superconductors},
author = {A. D. Beyer and V. S. Zapf and H. Yang and F. Fabris and M. S. Park and K. H. Kim and S. -I. Lee and N. -C. Yeh},
journal= {arXiv preprint arXiv:cond-mat/0612380},
year = {2007}
}
备注
3 figures. To appear in Phys. Rev. B, Rapid Communications (2007). For correspondence, contact: Nai-Chang Yeh (e-mail: [email protected])