Spin-Wave Relaxation in K_2CuF_4
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概要
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Spin-wave linewidth AH. in a quasi-two-dimen:sional ferromagnet K.CuF. hasbeen studied by parallel pumping technique.Wave rtumber dependence of AH. fromA=0 up to the Brillouin-zone-boundary and temperature dependence of AH.=.which is empirically described as ,4H.=.=0.l9 >< 7"" Oe at temperatures from 1.2to 2.2 K are reported. Spin-wave linewidth largely depends on?the direction of thestatic magnetic field applied along the c-plane, which is the easy plane.
- 社団法人日本物理学会の論文
- 1978-10-15
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