THEORY OF ELECTRON-SPIN-RESONANCE IN HALDANE-GAP ANTIFERROMAGNETS

被引：31

作者：

AFFLECK, I ^{[1
]}

机构：

[1] UNIV BRITISH COLUMBIA,DEPT PHYS,VANCOUVER V6T 1Z1,BC,CANADA

来源：

PHYSICAL REVIEW B | 1992年 / 46卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.46.9002

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Recent electron-spin-resonance experiments on the one-dimensional Heisenberg antiferromagnet, NENP, have observed 47-GHz transitions in magnetic fields of 1.4-5 T, depending on orientation. We argue that these should be understood as transitions between magnon states of a wave vector near pi and different polarizations, whose energies are split by crystal-field anisotropy and magnetic fields. Neutron scattering measurements and/or models of the magnon spectrum thus determine the ESR resonance frequencies.

引用

页码：9002 / 9008

页数：7

共 16 条

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