MgB2声学等离子体
超导电性
2007-05-23 v1 强关联电子
摘要
我们提供了声学等离子体模式存在的强烈证据,即四极矩电荷集体模式,具有线性色散,在MgB2中观察到。该模式可能负责解释其高超导临界温度40K所需的异常小库仑准势值。
引用
@article{arxiv.cond-mat/0103082,
title = {Acoustic Plasmons in MgB2},
author = {K. Voelker and V. I. Anisimov and T. M. Rice},
journal= {arXiv preprint arXiv:cond-mat/0103082},
year = {2007}
}
备注
To be presented at the APS March meeting post deadline session on MgB2 Monday, March 12, 2001 in Seattle