教師資料查詢 | 類別: 期刊論文 | 教師: 陳惟堯 CHEN, WEI-YEU (瀏覽個人網頁)

標題:Spin dynamics in doped triangular antiferromagnets
學年
學期
出版(發表)日期2000/12/01
作品名稱Spin dynamics in doped triangular antiferromagnets
作品名稱(其他語言)
著者Zheng, Peng-peng; Feng, Shiping; Chen, Wei-yeu
單位淡江大學物理學系
出版者College Park: American Physical Society
著錄名稱、卷期、頁數Physical Review B (Condensed Matter and Materials Physics) 62(21), pp.13828-13831
摘要Within the t–J model, the spin response of the doped triangular antiferromagnet in the underdoped and optimally doped regimes is studied based on the fermion-spin theory. The spinon part is treated by using the loop expansion to the second order. It is shown that although the dynamical spin structure factor and susceptibility exhibit the anomalous behaviors at the antiferromagnetic zone center, the particularly universal behaviors of the integrated dynamical spin structure factor and susceptibility present in the doped square antiferromagnet, are absent in the doped triangular antiferromagnet.
關鍵字
語言英文
ISSN1098-0121
期刊性質國外
收錄於SCI
產學合作
通訊作者
審稿制度
國別美國
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