中文

SrDy2O4阻挫磁体中自旋液体基态的μSR证据

强关联电子 2017-04-25 v1

摘要

对SrDy2_2O4_4(一种在低温下具有短程磁关联的阻挫磁体)进行了μ子自旋弛豫(μ\muSR)测量。零场μ子自旋去极化测量表明,从T=300T=300 K到20 mK存在快速磁涨落。在T=20T=20 mK时短程磁关联与涨落的共存表明SrDy2_2O4_4具有自旋液体基态。大纵向场对μ子自旋去极化的影响较弱,也暗示了快速涨落的存在。对于μ0H=2\mu_0H=2 T的纵向场,在T=6T=6 K以下出现非弛豫不对称贡献,表明当接近场诱导的磁有序相时磁涨落显著减慢。

关键词

引用

@article{arxiv.1702.07161,
  title  = {Evidence for spin liquid ground state in SrDy$_2$O$_4$ frustrated magnet probed by muSR},
  author = {N. Gauthier and B. Prévost and A. Amato and C. Baines and V. Pomjakushin and A. D. Bianchi and R. J. Cava and M. Kenzelmann},
  journal= {arXiv preprint arXiv:1702.07161},
  year   = {2017}
}

备注

6 pages, 4 figures, to be published as a proceeding of HFM2016 in Journal of Physics: Conference Series (JPCS)