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    題名: Charge transport in underdoped bilayer cuprates
    作者: Yuan, Feng;Qin, Jihong;Feng, Shiping;Chen, Wei Yeu
    貢獻者: 淡江大學物理學系
    關鍵詞: copper derivative;calculation;conductance;electron;energy;high temperature;low temperature;physics;temperature
    日期: 2003-04
    上傳時間: 2013-07-09 15:18:21 (UTC+8)
    出版者: College Park: American Physical Society
    摘要: Within the t-J model, we study the charge transport in underdoped bilayer cuprates by considering the bilayer interaction. Although the bilayer interaction leads to the band splitting in the electronic structure, the qualitative behavior of the charge transport is the same as in the case of single-layer cuprates. The conductivity spectrum shows a low-energy peak and the unusual midinfrared band. This midinfrared band is suppressed severely with increasing temperatures, while the resistivity in the heavily underdoped regime is characterized by a crossover from the high-temperature metalliclike to the low-temperature insulatinglike behaviors, which are consistent with the experiments.
    關聯: Physical Review B (Condensed Matter and Materials Physics) 67(13), 134504(5pages)
    DOI: 10.1103/PhysRevB.67.134504
    顯示於類別:[物理學系暨研究所] 期刊論文

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