NEW NONLINEAR MODES IN PLANAR ANTIFERROMAGNETS - A STUDY OF POLARIZED-NEUTRON, INELASTIC-SCATTERING OF (CD3)4NMNCL3 IN A TRANSVERSE FIELD

被引:24
作者
BOUCHER, JP
PYNN, R
REMOISSENET, M
REGNAULT, LP
ENDOH, Y
RENARD, JP
机构
[1] UNIV CALIF LOS ALAMOS SCI LAB,LOS ALMOS NEUTRON SCATTERING CTR,LOS ALAMOS,NM 87545
[2] UNIV DIJON,FAC SCI,F-21100 DIJON,FRANCE
[3] TOHOKU UNIV,DEPT PHYS,SENDAI,MIYAGI 980,JAPAN
[4] UNIV PARIS 11,INST ELECTR FONDAMENTALE,F-91405 ORSAY,FRANCE
关键词
D O I
10.1103/PhysRevLett.64.1557
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Neutron inelastic scattering combined with neutron-polarization analysis has been used to observe new, nonlinear excitations in the planar antiferromagnet (CD3)4 NMnCl3 (TMMC) at low temperatures and in the presence of a large, transverse magnetic field. The new excitations result from a field-induced nonlinear coupling of in-plane and out-of-plane magnons. © 1990 The American Physical Society.
引用
收藏
页码:1557 / 1560
页数:4
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