μSR探测的无序自旋能隙系统(CH3)2CHNH3-Cu(ClxBr1-x)3中朝向可能相变的软模
强关联电子
2009-11-13 v1 统计力学
摘要
宏观性质的测量表明，键无序的自旋能隙系统(CH3)2CHNH3-Cu(ClxBr1-x)3在x介于0.44和0.87之间时是无能隙的。利用μ子自旋弛豫研究x=0.35样品的微观性质，我们观察到了动态自旋涨落，其特征频率随温度降低而减小，表明存在一个磁性基态。
引用
@article{arxiv.0811.0386,
title = {\muSR-dtected Soft mode toward a Possible Phase Transition in disordered spin gap system (CH3)2CHNH3-Cu(ClxBr1-x)3},
author = {T. Goto and T. Suzuki and I. Watanabe and K. Kanada and T. Saito and A. Oosawa and H. Manaka},
journal= {arXiv preprint arXiv:0811.0386},
year = {2009}
}
备注
4 pages. Submitted to muSR2008(Tsukuba) and accepted for publication