Transmission eigenchannels from non-equilibrium Green's functions

Details Transmission eigenchannels from non-equilibrium Green's functions Transmission eigenchannels from non-equilibrium Green's functions

2007-02-13

arxiv.org/abs/cond-mat/0702295v2

Phys. Rev. B 76, 115117 (2007)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

9 pages, 5 figures http://link.aps.org/abstract/PRB/v76/e115117

Scientific paper

10.1103/PhysRevB.76.115117

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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