Zero measure Cantor spectra for continuum one-dimensional quasicrystals
Zero measure Cantor spectra for continuum one-dimensional quasicrystals
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连续一维准晶的零测康托谱
DOI:
10.1016/j.jde.2013.12.003
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发表时间:
1926
期刊:
影响因子:
--
通讯作者:
P. Stollmann
中科院分区:
文献类型:
--
作者:
D. Lenz;C. Seifert;P. Stollmann
We study Schrödinger operators on R with measures as potentials. Choosing a suitable subset of measures we can work with a dynamical system consisting of measures. We then relate properties of this dynamical system with spectral properties of the associated operators. The constant spectrum in the strictly ergodic case coincides with the union of the zeros of the Lyapunov exponent and the set of non-uniformities of the transfer matrices. This result enables us to prove Cantor spectra of zero Lebesgue measure for a large class of operator families, including many operator families generated by aperiodic subshifts.
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DOI:
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期刊:
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期刊:
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