The absence of localization in certain statically disordered solids

D. H. Dunlap, Kalyan Kundu, Philip Phillips

Research output: Contribution to journalArticlepeer-review


We present statically disordered electronic system in which under certain circumstances an initially localized particle necessarily becomes delocalized at long times regardless of the spatial dimension and the magnitude of the disorder. The model is based on correlations between diagonal and off-diagonal matrix elements and is shown to be applicable to structurally-induced disorder in solids. Numerical and analytical calculations in 1-dimension indicate that transport is superdiffusive with the mean-square displacement growing in the time as 3 2, regardless of the magnitude of the disorder.

Original languageEnglish (US)
Pages (from-to)74-76
Number of pages3
JournalJournal of Luminescence
Issue number1-6
StatePublished - 1990
Externally publishedYes

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Atomic and Molecular Physics, and Optics
  • Biophysics
  • Biochemistry


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