Analytic modeling of the conductance in quantum point contacts with large bias
Physical Review B, ISSN: 0163-1829, Vol: 52, Issue: 23, Page: 16329-16332
1995
- 10Citations
- 2Captures
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Article Description
We have developed a model for calculating differential conductance that accounts for the effects observed at high source-drain voltage. The model uses a linear potential drop over a saddle-point potential. If the region of the potential drop is wide enough, only that region is contributing to the transmission and a simple expression is obtained. The temperature is assumed to increase linearly with the source-drain voltage and a model for an equipotential region in the saddle-point potential corresponding to the channel width is made. The result from the calculations of the conductance with this model is in good agreement with experimental results. © 1995 The American Physical Society.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=0343197336&origin=inward; http://dx.doi.org/10.1103/physrevb.52.16329; http://www.ncbi.nlm.nih.gov/pubmed/9981022; https://link.aps.org/doi/10.1103/PhysRevB.52.16329; http://harvest.aps.org/v2/journals/articles/10.1103/PhysRevB.52.16329/fulltext; http://link.aps.org/article/10.1103/PhysRevB.52.16329
American Physical Society (APS)
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