APPARENT SPIN-WAVE STIFFNESS OF AMORPHOUS FERROMAGNETS

被引:26
作者
CONTINENTINO, MA [1 ]
RIVIER, N [1 ]
机构
[1] UNIV LONDON IMPERIAL COLL SCI & TECHNOL,DEPT PHYS,LONDON SW7 2BZ,ENGLAND
来源
JOURNAL OF PHYSICS F-METAL PHYSICS | 1979年 / 9卷 / 08期
关键词
D O I
10.1088/0305-4608/9/8/001
中图分类号
O59 [应用物理学];
学科分类号
摘要
The authors show that longitudinal magnetic excitations are responsible for an additional T3/2 temperature dependent term in the decrease of the magnetisation of amorphous ferromagnets at low temperatures. This provides a possible explanation for the discrepancy on the values for the spin wave stiffness as measured by magnetisation and neutron scattering experiments. The discrepancy is compared to the anomalous temperature dependence of the resistivity, another effect of these longitudinal magnetic excitations.
引用
收藏
页码:L145 / L150
页数:6
相关论文
共 15 条
  • [1] Cargill G.S., 1975, AIP CONF P, V24, DOI [10.1063/1.30020, DOI 10.1063/1.30020]
  • [2] MOSSBAUER STUDY OF A GLASSY FERROMAGNET - FE40NI40P14B6
    CHIEN, CL
    HASEGAWA, R
    [J]. PHYSICAL REVIEW B, 1977, 16 (07): : 3024 - 3035
  • [3] RESISTIVITY OF AMORPHOUS FERROMAGNETS
    CONTINENTINO, MA
    RIVIER, N
    [J]. JOURNAL OF PHYSICS F-METAL PHYSICS, 1978, 8 (06): : 1187 - 1200
  • [4] ELECTRON CORRELATION IN TRANSITION-METALS
    EDWARDS, DM
    [J]. PHYSICA B & C, 1977, 91 (JUL): : 3 - 13
  • [5] Forster D., 1975, HYDRODYNAMIC FLUCTUA
  • [6] GRADSHTEYN IS, 1965, TABLE INTEGRALS
  • [7] GREST GS, UNPUBLISHED
  • [8] ISHIKAWA Y, 1979, P INT C INVAR PROBLE
  • [9] GREENS-FUNCTION THEORY OF A DISORDERED HEISENBERG FERROMAGNET
    MONTGOMERY, CG
    KRUGLER, JI
    STUBBS, RM
    [J]. PHYSICAL REVIEW LETTERS, 1970, 25 (10) : 669 - +
  • [10] THEORY OF DYNAMICAL BEHAVIORS OF FERROMAGNETIC SPINS
    MORI, H
    KAWASAKI, K
    [J]. PROGRESS OF THEORETICAL PHYSICS, 1962, 27 (03): : 529 - 570