教師資料查詢 | 類別: 期刊論文 | 教師: 何昌明 CHANG-MING HO (瀏覽個人網頁)

標題:Spectral Weights, d-wave Pairing Amplitudes, and Particle-hole Tunneling Asymmetry of a Strongly Correlated Superconductor
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出版(發表)日期2006/09/01
作品名稱Spectral Weights, d-wave Pairing Amplitudes, and Particle-hole Tunneling Asymmetry of a Strongly Correlated Superconductor
作品名稱(其他語言)
著者Chou, Chung-Pin; Lee, T. K.; Ho, Chang-ming
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) 74(9), 092503(4pages)
摘要The spectral weights (SW's) for adding and removing an electron of the Gutzwiller projected d-wave superconducting (SC) state of the t-J-type models are studied numerically on finite lattices. Restrict to the uniform system but treat exactly the strong correlation between electrons, we show that the product of weights is equal to the pairing amplitude squared, same as in the weakly coupled case. In addition, we derive a rigorous relation of SW with doping in the electron doped system and obtain particle-hole asymmetry of the conductance-proportional quantity within the SC gap energy and, also, the anti-correlation between gap sizes and peak heights observed in tunneling spectroscopy on high Tc cuprates.
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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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