Coherent transmission through a one dimensional quantum dot linear array
نویسنده
چکیده
Based on the Keldysh nonequilibrium Green function (NGF) technique, a general formula for the current and transmission coefficient through a one dimensional quantum dot lattice is derived without the consideration of electron-electron interactions. We obtain an analytical condition for complete resonant transmission when the levels of dots are aligned, which depends on the parity of the number of quantum dots. The dependence of the number and lineshape of resonant transmission and current peaks on the structure parameters of the quantum dot lattice is also given, with emphasis on the coupled double and triple quantum dot structures. Typeset using REVTEX
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