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应用正则变换和Bogoliubov变换讨论六角晶体结构亚铁磁体RbNiF3的自旋波谱,在整个Brillouin区中得到了目旋波谱的解析形式,并与中子非弹性散射的实验结果作了比较。By using canonical transformation and Bogoliubov transformation, we treat the magnon spectra of the transparent ferrimagnet RbNiF3 having a hexagonal structure. In the whole Brillouin zone a six-branch dispersion relation is obtained.
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