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Allender,Bray和Bardeen建议的激子超导体是由金属和半导体构成的一种多层超薄共格结构(LUCS)。我们曾经在紧束缚近似下,用格林函数技术,研究了金属-金属LUCS的电子结构。本文是按相似的方法对于金属-半导体LUCS进行的计算和结果。所获得的电子结构可有助于详细地研究ABB模型的超导体。The excitonic superconductor proposed by Allender, Bray and Bardeen is a kind of Layered Ultrathin Coherent Structure (LUCS) composed of metal and semiconductor layers. In a previous work, we have studied the electronic structure of a metalme-tal LUCS in the tight binding approximation. We present here the result of a similar study of a metal-semiconductor LUCS, with the hope that it may be helpful to more detailed further investigations of the ABB model of superconductivity.
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