Geometry effects at conductance quantization in quantum wires

Details Geometry effects at conductance quantization in quantum wires Geometry effects at conductance quantization in quantum wires

1999-11-17

arxiv.org/abs/cond-mat/9911256v1

physica status solidi (b), Vol. 216, page R5 (1999)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

4 pages, Rapid Research Note in physica status solidi (b), sceduled for Vol. 216/2, page R5 (1999) Online access: http://www

Scientific paper

The transmission through quantum wires is studied within a noninteracting model taking into account the geometry of cleaved edge overgrowth devices. We show that the junction between wide contact and narrow wire has almost no influence on the transmission through these devices while a potential step between contact and wire strongly effects the conduction. Our results are compared with recent experimental findings.

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