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摘要: 本文考虑一个严格一维的正常金属多分支结构,指出把Büttiker等人处理两分支结构的方法加以改进。即可解决这种多分支结构问题。我们给出了多分支结构的透射系数公式,作为一个简单的例子,求出了一个对称三分支结构的具体结果,并表明在这种结构中存在透射几率的共振现象。
Abstract: In this paper, the strictly one-dimensional normal metal multichannel structures are considered. We point out that the structures in multichannel cases can also be treated with an improved form of Büttiker's method, which was originally used for two channel cases. A formula for multichannel transmission coefficient is presented. As a simple example, the numerical results for three branches are given, which show the application of the formula and illustrate the transmission probability resonances in such structures.