Schroedinger operators with Rudin-Shapiro potentials are not palindromic
Journal Article
·
· Journal of Mathematical Physics
- CNRS, LRI, Batiment 490, F-91405 Orsay Cedex (France)
We prove a conjecture of A. Hof, O. Knill and B. Simon [Commun. Math. Phys. {bold 174}, 149{endash}159 (1995)] by showing that the Rudin-Shapiro sequence is not {ital palindromic}, i.e., does not contain arbitrarily long palindromes. We prove actually this property for all paperfolding sequences and all Rudin-Shapiro sequences deduced from paperfolding sequences. As a consequence and as guessed by the above authors, their method cannot be used for establishing that discrete Schroedinger operators with Rudin-Shapiro potentials have a purely singular continuous spectrum. {copyright} {ital 1997 American Institute of Physics.}
- OSTI ID:
- 527841
- Journal Information:
- Journal of Mathematical Physics, Vol. 38, Issue 4; Other Information: PBD: Apr 1997
- Country of Publication:
- United States
- Language:
- English
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