Quasi-localization and quasi-mobility edge for light atoms mixed with heavy ones

E. Kogan

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

A mixture of light and heavy atoms is considered. We study the kinetics of the light atoms, scattered by the heavy ones, the latter undergoing slow diffusive motion. In three-dimensional space we claim the existence of a crossover region (in energy), which separates the states of the light atoms with fast diffusion and the states with slow diffusion; the latter is determined by the dephasing time. For the two dimensional case we have a transition between weak localization, observed when the dephasing length is less than the localization length (calculated for static scatterers), and strong localization observed in the opposite case.

Original languageEnglish
Pages (from-to)181-185
Number of pages5
JournalEuropean Physical Journal B
Volume61
Issue number2
DOIs
StatePublished - Jan 2008

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