Extended states on the landau levels with disorder

S. A. Gredeskul, Y. Avishai, M. Ya Azbel

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

We study an electron in a two-dimensional system of random point scatterers placed on the sites of a regular square lattice subject to a perpendicular magnetic field B. When theenergy equals the Landau energy εn (B) (n - 0,1,…) above a certain magnetic field Bn (whichcorresponds to the presence of n + 1 flux quanta φ0 = hc/e per an elementary square) we findanalytically disorder-independent extended eigenstates.

Original languageEnglish
Pages (from-to)489-494
Number of pages6
JournalEurophysics Letters
Volume21
Issue number4
DOIs
StatePublished - 1 Feb 1993

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