arXiv:cond-mat/9904393 Abstract

arXiv:cond-mat/9904393Abstract References Reviews Resources

Meta-Percolation and Metal-Insulator Transition in Two Dimensions

Published 1999-04-27Version 1

According to the scaling theory of localization, all quantum electronic states are localized in two-dimensional (2D) systems. One consequence of the theory is that there is no quantum percolation transition in 2D. However, in a real system at a finite temperature, electron phase coherent length is finite and the system is between quantum and classical. We find, in such a 2D system, a metal-insulator transition (MIT) caused by a novel type of percolation, meta-percolation. The relevance to recently observed 2D MIT is also discussed.

Comments: 4 pages, 5 figures

Categories: cond-mat.dis-nn, cond-mat.mes-hall

Keywords: metal-insulator transition, meta-percolation, dimensions, electron phase coherent length, quantum percolation transition

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