Weak coupling theory of the mobility of a two-dimensional Wigner lattice above a liquid helium substrate View Full Text


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Article Info

DATE

1983-02

AUTHORS

A. J. Dahm, R. Mehrotra

ABSTRACT

A weak coupling theory of the ripplon-limited mobility of a two-dimensional electron lattice above a liquid helium surface is presented. The one-ripplon-n-phonon scattering contributions are calculated by first-order perturbation theory to all ordersn. The effects of the reduction of the phonon character of the coupled modes and the shift in the coupled mode frequencies on the scattering rate are shown to approximately cancel in the limit of weak coupling. The Debye-Waller factor limits the momentum transfer at large ripplon wave vectors and high temperatures, resulting in a maximum in the scattering as a function of temperature. The helium vapor limited mobility is also calculated. This theory exhibits the qualitative features of experimental data taken in the strong coupling limit. More... »

PAGES

201-233

References to SciGraph publications

Identifiers

URI

http://scigraph.springernature.com/pub.10.1007/bf00681602

DOI

http://dx.doi.org/10.1007/bf00681602

DIMENSIONS

https://app.dimensions.ai/details/publication/pub.1034583084


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