SPIN FOLDING IN THE 2-DIMENSIONAL HEISENBERG KAGOME ANTIFERROMAGNET

被引：135
|
作者：
RITCHEY, I
CHANDRA, P
COLEMAN, P
机构：
[1] NEC CORP LTD, RES INST, PRINCETON, NJ 08540 USA
[2] RUTGERS UNIV, SERIN PHYS LAB, PISCATAWAY, NJ 08854 USA
来源：
PHYSICAL REVIEW B | 1993年 / 47卷 / 22期
关键词：
D O I：
10.1103/PhysRevB.47.15342
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Spin-folding modes in the two-dimensional Heisenberg kagome antiferromagnet favor coplanar spin configurations with three-spin tensor order and non-Abelian homotopy. With weak xy anisotropy, binding of the associated disclinations yields a coplanar state whose spin configuration depends on the order of pairing. The resulting metastable states exhibits a broad distribution of order parameters. Supporting numerical studies are presented and the related system SrCr8-xGa4+xO19 is discussed.
引用
收藏
页码：15342 / 15345
页数：4
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