Transmission eigenchannels from nonequilibrium Green's functions

被引：276
|
作者：
Paulsson, Magnus
Brandbyge, Mads
机构：
[1] DTU, MIC, DK-2800 Lyngby, Denmark
[2] Toyama Univ, Dept Elect, Toyama 9308555, Japan
[3] Univ Kalmar, Sch Pure & Appl Nat Sci, Div Phys, Kalmar 39182, Slovenia
来源：
PHYSICAL REVIEW B | 2007年 / 76卷 / 11期
关键词：
D O I：
10.1103/PhysRevB.76.115117
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The concept of transmission eigenchannels is described in a tight-binding nonequilibrium Green's function (NEGF) framework. A simple procedure for calculating the eigenchannels is derived using only the properties of the device subspace and quantities normally available in a NEGF calculation. The method is exemplified by visualization in real space of the eigenchannels for three different molecular and atomic wires.
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页数：7
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