Electron-beam propagation in a two-dimensional electron gas

Details Electron-beam propagation in a two-dimensional electron gas Electron-beam propagation in a two-dimensional electron gas

2002-10-18

arxiv.org/abs/cond-mat/0210401v2

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

7 pages, 6 figures

Scientific paper

10.1103/PhysRevB.67.245302

A quantum mechanical model based on a Green's function approach has been used to calculate the transmission probability of electrons traversing a two-dimensional electron gas injected and detected via mode-selective quantum point contacts. Two-dimensional scattering potentials, back-scattering, and temperature effects were included in order to compare the calculated results with experimentally observed interference patterns. The results yield detailed information about the distribution, size, and the energetic height of the scattering potentials.

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