Novel Field Induced Quantum Phase Transition of the Kagome Lattice Antiferromagnet

被引：0

作者：

Sakai, Toru ^{[1
,2
]}

Nakano, Hiroki ^{[2
]}

机构：

[1] SPring 8, Japan Atom Energy Agcy, Sayo, Hyogo 6795148, Japan

[2] Univ Hyogo, Grad Sch Mat Sci, Kamigori 6781297, Japan

来源：

27TH INTERNATIONAL CONFERENCE ON LOW TEMPERATURE PHYSICS (LT27), PTS 1-5 | 2014年 / 568卷

关键词：

HEISENBERG-ANTIFERROMAGNET; EXACT SPECTRA; ORDER; EXCITATIONS;

D O I：

10.1088/1742-6596/568/4/042025

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The S = 1/2 kagomelattice antiferromagnet is investigated by the numerical diagonalization. We successfully obtained the ground-state full magnetization curve for the 42-spin cluster. Based on the finite-size scaling alnalysis including this new result, we consider the quatnum critical magnetization behavior around the 1/3 of the saturation magnetization. As a result, some unconventional features of the 1/3 magnetization ramp, which was proposed by our previous work, are clarified.

引用

页数：6

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