受抑海森堡反铁磁体中的量子相变
凝聚态物理
2009-10-22 v2
摘要
利用 J_1-J_2 模型，我们基于修正的自旋波理论描述了从 Neel 有序态到自旋液体态的量子相变。给出了自旋液体相谱中能隙的一般表达式。
引用
@article{arxiv.cond-mat/9406106,
title = {Quantum Phase Transition in the Frustrated Heisenberg Antiferromagnet},
author = {A. Dotsenko and O. Sushkov},
journal= {arXiv preprint arXiv:cond-mat/9406106},
year = {2009}
}
备注
8 pages of REVTeX 3.0, one PostScript file appended (Eq. 15 corrected, two recent references added, + some minor changes)