Acoustoconductance of quantum contacts
Mesoscale and Nanoscale Physics
2009-10-31 v2 Quantum Physics
Abstract
We describe theoretically the acoustoconductance (AC) of quantum contacts. One characteristic of a contact which distinguishes it from a long, uniform wire is a strong, energy-dependent transmission probability. This has several consequences for AC. Electrons which are forward scattered by phonons can contribute to AC and, furthermore, AC can have positive sign (i.e. a conductance-increase under the influence of phonons). By contrast, for uniform wires only backscattered electrons contribute to AC which always has negative sign.
Keywords
Cite
@article{arxiv.cond-mat/9808033,
title = {Acoustoconductance of quantum contacts},
author = {M. P. Blencowe and A. Y. Shik},
journal= {arXiv preprint arXiv:cond-mat/9808033},
year = {2009}
}
Comments
New reference added. To appear in Physica B, proceedings of the 9th International Conference on Phonon Scattering (Phonons 98)