由自旋二聚体单元组成的受挫量子自旋系统的精确基态
统计力学
2017-04-26 v2
摘要
我们研究了由自旋1/2的二聚体组成的受挫量子自旋系统。我们推导了几个具有二聚体态直积形式精确基态的模型。所实现的基态包括二聚体单态的直积态、零磁化二聚体三重态的直积态、二聚体自旋向列态的直积态，以及这些二聚体态混合的直积态。此外还引入了在每个二聚体中出现的赝自旋1/2算符。
引用
@article{arxiv.1612.07515,
title = {Exact ground states of frustrated quantum spin systems consisting of spin-dimer units},
author = {Toshiya Hikihara and Takashi Tonegawa and Kiyomi Okamoto and Tôru Sakai},
journal= {arXiv preprint arXiv:1612.07515},
year = {2017}
}
备注
9 pages, 4 figures, 1 table. v2: accepted version, Sec.IIIE and a few references added, some sentences revised, to appear in J. Phys. Soc. Jpn