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Dynamics of the quasi-periodic Schrodinger cocycle at the lowest energy in the spectrum
2007 (Engelska)Ingår i: Communications in Mathematical Physics, ISSN 0010-3616, E-ISSN 1432-0916, Vol. 272, nr 2, s. 397-442Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

In this paper we consider the quasi-periodic Schrodinger cocycle over T-d (d >= 1) and, in particular, its projectivization. In the regime of large coupling constants and Diophantine frequencies, we give an affirmative answer to a question posed by M. Herman [21, p.482] concerning the geometric structure of certain Strange Nonchaotic Attractors which appear in the projective dynamical system. We also show that for some phase, the lowest energy in the spectrum of the associated Schrodinger operator is an eigenvalue with an exponentially decaying eigenfunction. This generalizes [39] to the multi-frequency case (d > 1).

Ort, förlag, år, upplaga, sidor
2007. Vol. 272, nr 2, s. 397-442
Nyckelord [en]
anderson localization, integrated density, lyapunov exponents, rotation number, t-d, operators, equations, continuity, potentials, attractors
Identifikatorer
URN: urn:nbn:se:kth:diva-16787DOI: 10.1007/s00220-007-0238-yISI: 000247964500003OAI: oai:DiVA.org:kth-16787DiVA, id: diva2:334830
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QC 20100525Tillgänglig från: 2010-08-05 Skapad: 2010-08-05 Senast uppdaterad: 2022-06-25Bibliografiskt granskad

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