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:Energy dependence of commensurate neutron scattering peak in the doped two-leg ladder antiferromagnet Sr14-xCaxCu24O41
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出版(發表)日期2003/03/01
作品名稱Energy dependence of commensurate neutron scattering peak in the doped two-leg ladder antiferromagnet Sr14-xCaxCu24O41
作品名稱(其他語言)
著者He, Jianhui; 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) 67(9), 094402(6 pages)
摘要The dynamical spin response of doped two-leg ladder antiferromagnets is investigated based on the fermion-spin approach. Our calculations clearly demonstrate a crossover from incommensurate antiferromagnetism in the weak-interchain-coupling regime to commensurate spin fluctuation in the strong-interchain-coupling regime. In particular, the nuclear spin-lattice relaxation rate extracted from the commensurate spin fluctuation decreases exponentially with decreasing temperatures. The behaviors of the spin dynamics in the strong-coupling regime are quantitatively close to the experimental results of Sr14-xCaxCu24O41.
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語言英文
ISSN1098-0121
期刊性質國外
收錄於SCI
產學合作
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國別美國
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