From power pure point to continuous spectrum in disordered systems
François Delyon, Barry Simon, Bernard Souillard (1985)
Annales de l'I.H.P. Physique théorique
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François Delyon, Barry Simon, Bernard Souillard (1985)
Annales de l'I.H.P. Physique théorique
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Frédéric Klopp, Shu Nakamura (2007-2008)
Séminaire Équations aux dérivées partielles
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In this talk, we describe some recent results on the Lifshitz behavior of the density of states for non monotonous random models. Non monotonous means that the random operator is not a monotonous function of the random variables. The models we consider will mainly be of alloy type but in some cases we also can apply our methods to random displacement models.
Najar, Hatem (2006)
International Journal of Mathematics and Mathematical Sciences
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Frédéric Klopp (2011-2012)
Séminaire Laurent Schwartz — EDP et applications
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In the present note, we review some recent results on the spectral statistics of random operators in the localized phase obtained in []. For a general class of random operators, we show that the family of the unfolded eigenvalues in the localization region considered jointly with the associated localization centers is asymptotically ergodic. This can be considered as a generalization of []. The benefit of the present approach is that one can vary the scaling of the unfolded eigenvalues...
Jürgen Pöschel (1991)
Manuscripta mathematica
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J. M. Combes, P. D. Hislop, A. Tip (1999)
Annales de l'I.H.P. Physique théorique
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S. Naboko (1993-1994)
Séminaire Équations aux dérivées partielles (Polytechnique)
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Abel Klein, Peter Hislop, François Germinet (2007)
Journal of the European Mathematical Society
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We prove exponential and dynamical localization for the Schr¨odinger operator with a nonnegative Poisson random potential at the bottom of the spectrum in any dimension. We also conclude that the eigenvalues in that spectral region of localization have finite multiplicity. We prove similar localization results in a prescribed energy interval at the bottom of the spectrum provided the density of the Poisson process is large enough.
François Germinet (2007-2008)
Séminaire Équations aux dérivées partielles
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In this review, we first recall a recent Bernoulli decomposition of any given non trivial real random variable. While our main motivation is a proof of universal occurence of Anderson localization in continuum random Schrödinger operators, we review other applications like Sperner theory of antichains, anticoncentration bounds of some functions of random variables, as well as singularity of random matrices.