自旋梯化合物(VO)2P2O7的非弹性中子散射
凝聚态物理
2009-10-22 v1
摘要
我们展示了候选Heisenberg自旋梯钒基焦磷酸盐(VO)2P2O7的非弹性中子散射实验结果。我们发现了自旋波激发隙 meV的证据,位于接近的带最小值处。这与自旋梯模型中(VO)2P2O7的三重态自旋波预期一致,并且据我们所知,这是自然界中Heisenberg反铁磁自旋梯的首次确认。
引用
@article{arxiv.cond-mat/9406016,
title = {Inelastic Neutron Scattering from the Spin Ladder Compound (VO)2P2O7},
author = {R. S. Eccleston and T. Barnes and J. Brody and J. W. Johnson},
journal= {arXiv preprint arXiv:cond-mat/9406016},
year = {2009}
}
备注
11 pages and 2 figures (available as hard copy or postscript files from the authors, send request to [email protected] or [email protected]), TEX using jnl, reforder and eqnorder, ORNL-CCIP-94-05 / RAL-94-044