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The purpose of the present work is to establish decorrelation estimates at distinct energies for some random Schr\"odinger operator in dimension one. In particular, we establish the result for some random operators on the continuum with…

Mathematical Physics · Physics 2015-06-23 Christopher Shirley

The purpose of the present work is to establish decorrelation estimates at distinct energies for some random Schr{\"o}dinger operator in dimension one. In particular, we establish the result for some random operators on the continuum with…

Mathematical Physics · Physics 2015-05-25 Christopher Shirley

We present a proof of Minami type estimates for one dimensional random Schr\"odinger operators valid at all energies in the localization regime provided a Wegner estimate is known to hold. The Minami type estimates are then applied to…

Mathematical Physics · Physics 2012-01-24 Frédéric Klopp

We study localization and derive stochastic estimates (in particular, Wegner and Minami estimates) for the eigenvalues of weakly correlated random discrete Schr\"odinger operators in the localized phase. We apply these results to obtain…

Mathematical Physics · Physics 2012-10-30 Frédéric Klopp

We prove decorrelation estimates for generalized lattice Anderson models on $Z^d$ constructed with finite-rank perturbations in the spirit of Klopp \cite{klopp}. These are applied to prove that the local eigenvalue statistics…

Mathematical Physics · Physics 2018-09-06 P. D. Hislop , M. Krishna , C. Shirley

We derive dispersion estimates for solutions of the one-dimensional discrete perturbed Schr\"odinger and wave equations. In particular, we improve upon previous works and weaken the conditions on the potentials. To this end we also provide…

Spectral Theory · Mathematics 2015-12-18 Iryna Egorova , Elena Kopylova , Gerald Teschl

We prove decorrelation estimates for generalized lattice Anderson models on $Z^d$ constructed with finite-rank perturbations in the spirit of Klopp \cite{klopp}. These are applied to prove that the local eigenvalue statistics…

Mathematical Physics · Physics 2015-05-21 Peter D. Hislop , M. Krishna

We study discrete alloy-type random Schr\"odinger operators on $\ell^2(\mathbb{Z}^d)$. Wegner estimates are bounds on the average number of eigenvalues in an energy interval of finite box restrictions of these types of operators. If the…

Spectral Theory · Mathematics 2015-05-19 Ivan Veselić

We give a new proof of correlation estimates for arbitrary moments of the resolvent of random Schr\"odinger operators on the lattice that generalizes and extends the correlation estimate of Minami for the second moment. We apply this moment…

Mathematical Physics · Physics 2009-11-13 Jean V. Bellissard , Peter D. Hislop , Günter Stolz

In this survey we discuss spectral and quantum dynamical properties of discrete one-dimensional Schr\"odinger operators whose potentials are obtained by real-valued sampling along the orbits of an ergodic invertible transformation. After an…

Spectral Theory · Mathematics 2019-02-25 David Damanik

We prove a Wegner estimate for discrete Schr\"odinger operators with a potential given by a Gaussian random process. The only assumption is that the covariance function decays exponentially, no monotonicity assumption is required. This…

Mathematical Physics · Physics 2020-11-17 Martin Tautenhahn

We derive a dispersion estimate for one-dimensional perturbed radial Schr\"odinger operators. We also derive several new estimates for solutions of the underlying differential equation and investigate the behavior of the Jost function near…

Spectral Theory · Mathematics 2016-10-13 Aleksey Kostenko , Gerald Teschl , Julio H. Toloza

We consider complex resonances for discrete and continuous Schr\"odinger operators, and we show that the resonances of discrete models converge to resonances of continuous models in the continuum limit. The potential is supposed to be a sum…

Mathematical Physics · Physics 2024-10-25 Kentaro Kameoka , Shu Nakamura

In this paper, we consider the dispersive estimates for Schr\"odinger operators with Coulomb-like decaying potentials, such as $V(x)=-c|x|^{-\mu}$ for $|x|\gg 1$ with $0<\mu<2$, in one dimension. As an application, we establish both the…

Analysis of PDEs · Mathematics 2026-04-01 Akitoshi Hoshiya , Kouichi Taira

We consider Schr\"odinger operators in $\ell^2(\Z)$ whose potentials are obtained by randomly concatenating words from an underlying set $\mathcal{W}$ according to some probability measure $\nu$ on $\mathcal{W}$. Our assumptions allow us to…

Mathematical Physics · Physics 2014-12-31 David Damanik , Robert Sims , Günter Stolz

We discuss recent results on spectral properties of discrete alloy-type random Schr\"odinger operators. They concern Wegner estimates and bounds on the fractional moments of the Green's function.

Spectral Theory · Mathematics 2017-08-23 Martin Tautenhahn , Ivan Veselić

We study Schroedinger operators with a random potential of alloy type. The single site potentials are allowed to change sign. For a certain class of them we prove a Wegner estimate. This is a key ingredient in an existence proof of pure…

Mathematical Physics · Physics 2018-09-28 Ivan Veselic'

The discrete spectra of certain two-dimensional Schrodinger operators are numerically calculated. These operators have interesting spectral properties, i.e. their kernels are multi-dimensional and the deformations of potentials via the…

Exactly Solvable and Integrable Systems · Physics 2016-07-27 A. N. Adilkhanov , I. A. Taimanov

We study localisation effects of strong disorder on the spectral and dynamical properties of (matrix and scalar) Schroedinger operators with non-monotone random potentials, on the d-dimensional lattice. Our results include dynamical…

Mathematical Physics · Physics 2016-11-18 Alexander Elgart , Mira Shamis , Sasha Sodin

We study fluctuations of polynomial linear statistics for discrete Schr\"odinger operators with a random decaying potential. We describe a decomposition of the space of polynomials into a direct sum of three subspaces determining the growth…

Mathematical Physics · Physics 2019-12-12 Jonathan Breuer , Yoel Grinshpon , Moshe White
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