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    National Tsing Hua University Institutional Repository > 電機資訊學院 > 電機工程學系 > 期刊論文 >  Effect of quantum diffusion on hopping transport


    Please use this identifier to cite or link to this item: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/71661


    Title: Effect of quantum diffusion on hopping transport
    Authors: Lin, C.-H.;Wu, G.Y.
    教師: 吳玉書
    Date: 2001
    Publisher: Elsevier
    Relation: Solid State Communications, Elsevier, Volume 118,   Issue 11, 2001, Pages 579-82
    Keywords: quantum diffusion
    hopping transport
    coherent hopping process
    temperature dependence
    hopping conductivity
    nearest-neighbor hoppings
    Abstract: We present a study of quantum diffusion effect in granular metals, in the limit where ΔEc≫Δε, with Δε the average energy level spacing and ΔEC the charging energy fluctuation. This effect results from the reduction, due to quantum diffusion, in the probability of a coherent hopping process, and is shown to affect the temperature dependence of hopping conductivity. To study the effect, we employ a numerical percolation calculation which includes up to the third nearest-neighbor hoppings. The effect is sizable in the low temperature range where the transport is dominated by long-range hoppings
    Relation Link: http://www.elsevier.com/
    URI: http://nthur.lib.nthu.edu.tw/dspace/handle/987654321/71661
    Appears in Collections:[電機工程學系] 期刊論文

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