Measure zero spectrum of a class of Schrödinger operators

Qing Hui Liu*, Bo Tan, Zhi Xiong Wen, Jun Wu

*Corresponding author for this work

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Abstract

We study the measure of the spectrum of a class of one-dimensional discrete Schrödinger operators Hν,ω with potential ν(ω) generated by any primitive substitutions. It is well known that the spectrum of Hν,ω is singular continuous. We will give a more exact result that the spectrum of Hν,ω is a set of Lebesgue measure zero, by removing two hypotheses (the semi-primitive of a certain induced substitution and the existence of square word) from a theorem due to Bovier and Ghez.

Original languageEnglish
Pages (from-to)681-691
Number of pages11
JournalJournal of Statistical Physics
Volume106
Issue number3-4
DOIs
Publication statusPublished - 2002
Externally publishedYes

Keywords

  • Primitive substitution
  • Schrödinger operator
  • Spectrum
  • Trace map

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Liu, Q. H., Tan, B., Wen, Z. X., & Wu, J. (2002). Measure zero spectrum of a class of Schrödinger operators. Journal of Statistical Physics, 106(3-4), 681-691. https://doi.org/10.1023/A:1013718624572