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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/27806


    Title: Spectral Weights, d-wave Pairing Amplitudes, and Particle-hole Tunneling Asymmetry of a Strongly Correlated Superconductor
    Authors: Chou, Chung-Pin;Lee, T. K.;Ho, Chang-ming
    Contributors: 淡江大學物理學系
    Date: 2006-09
    Issue Date: 2013-07-09 15:16:37 (UTC+8)
    Publisher: College Park: American Physical Society
    Abstract: 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.
    Relation: Physical Review B (Condensed Matter and Materials Physics) 74(9), 092503(4pages)
    DOI: 10.1103/PhysRevB.74.092503
    Appears in Collections:[物理學系暨研究所] 期刊論文

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