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Anderson localization is a regime in which diffusion is inhibited and waves (also electromagnetic waves) get localized. Here we exploit adaptive optics to achieve focusing in disordered optical fibers in the Anderson regime. By wavefront…

光学 · 物理学 2014-07-31 Marco Leonetti , Salman Karbasi , Arash Mafi , Claudio Conti

We establish a close quantitative analogy between the excitation and ionization process of highly excited one electron Rydberg states under microwave driving and charge transport across disordered 1D lattices. Our results open a new arena…

原子物理 · 物理学 2009-11-07 Andreas Krug , Sandro Wimberger , Andreas Buchleitner

One of the most intriguing phenomena in physics is the localization of waves in disordered media. This phenomenon was originally predicted by Anderson, fifty years ago, in the context of transport of electrons in crystals. Anderson…

无序系统与神经网络 · 物理学 2015-02-26 G. Roati , C. D'Errico , L. Fallani , M. Fattori , C. Fort , M. Zaccanti , G. Modugno , M. Modugno , M. Inguscio

We present two complementary simulations that lead to an exploration of Anderson localization, a phenomenon in which wave diffusion is suppressed in disordered media by interference from multiple scattering. To build intuition, the first…

无序系统与神经网络 · 物理学 2026-01-06 Jake S. Bobowski

We study the persistence of localization for a strongly disordered tight-binding Anderson model on the lattice $\mathbb{Z}^d$, periodically driven on each site. Under two different sets of conditions, we show that Anderson localization…

数学物理 · 物理学 2016-07-26 Raphael Ducatez , François Huveneers

Stochastic (Anderson) localization is the spatial localization of the wave-function of quantum particles in random media. We show, that a corresponding phenomenon can stabilize spatial solitons in optical resonators: spatial solitons in…

统计力学 · 物理学 2009-11-07 Kestutis Staliunas

We show that the recently developed self-consistent theory of Anderson localization with a position-dependent diffusion coefficient is in quantitative agreement with the supersymmetry approach up to terms of the order of $1/g_0^2$ (with…

无序系统与神经网络 · 物理学 2010-08-20 Ben Payne , Alexey Yamilov , Sergey E. Skipetrov

In linear disordered systems Anderson localization makes any wave packet stay localized for all times. Its fate in nonlinear disordered systems is under intense theoretical debate and experimental study. We resolve this dispute showing that…

无序系统与神经网络 · 物理学 2015-05-30 M. V. Ivanchenko , T. V. Laptyeva , S. Flach

We investigate Anderson localization of light as occurring in ultra-short excitations. A theory based on time dependent coupled-mode equations predicts universal features in the spectrum of the transmitted pulse. In particular, the process…

光学 · 物理学 2010-03-15 Claudio Conti , Andrea Fratalocchi , Silvia Gentilini

Wave propagation in disordered media can be strongly modified by multiple scattering and wave interference. Ultimately the so-called Anderson-localized regime is reached when the waves become strongly confined in space. So far, Anderson…

The self-consistent theory of Anderson localization of quantum particles or classical waves in disordered media is reviewed. After presenting the basic concepts of the theory of Anderson localization in the case of electrons in disordered…

无序系统与神经网络 · 物理学 2015-05-18 P. Wölfle , D. Vollhardt

The role of disorder on wave propagation through the universe is studied. Assuming space fluctuations of the order of the Planck length and the size of the universe as the corresponding localization length for the background radiation, we…

无序系统与神经网络 · 物理学 2008-09-30 J. C. Flores , M. Bologna

We present the first quantum system where Anderson localization is completely described within periodic-orbit theory. The model is a quantum graph analogous to an a-periodic Kronig-Penney model in one dimension. The exact expression for the…

chao-dyn · 物理学 2007-05-23 Holger Schanz , Uzy Smilansky

Electron localization is the tendency of an electron in a many-body system to exclude other electrons from its vicinity. Using a new natural measure of localization based on the exact manyelectron wavefunction, we find that localization can…

介观与纳米尺度物理 · 物理学 2021-01-15 T. R. Durrant , M. J. P. Hodgson , J. D. Ramsden , R. W. Godby

We study the counterpart of Anderson localization in driven one-electron Rydberg atoms. By changing the initial Rydberg state at fixed microwave frequency and interaction time, we numerically monitor the crossover from Anderson localization…

量子物理 · 物理学 2009-05-04 Alexej Schelle , Dominique Delande , Andreas Buchleitner

Phonon localization is a phenomenon that influences numerous material properties in condensed matter physics. Anderson localization brings rise to localized atomic-scale phonon interferences in disordered lattices with an influence limited…

介观与纳米尺度物理 · 物理学 2024-12-31 Albert Beardo , Paul Desmarchelier , Chia-Nien Tsai , Prajit Rawte , Konstantinos Termentzidis , Mahmoud I. Hussein

In this paper, we use recent breakthroughs in the study of coupled subwavelength resonator systems to reveal new insight into the mechanisms responsible for the fundamental features of Anderson localization. The occurrence strong…

无序系统与神经网络 · 物理学 2023-07-21 Habib Ammari , Bryn Davies , Erik Orvehed Hiltunen

We prove Anderson localization in a disordered photonic crystal waveguide by measuring the ensemble-averaged localization length which is controlled by the dispersion of the photonic crystal waveguide. In such structures, the localization…

光学 · 物理学 2015-05-18 P. D. Garcia , S. Smolka , S. Stobbe , P. Lodahl

A technically convenient signature of Anderson localization is exponential decay of the fractional moments of the Green function within appropriate energy ranges. We consider a random Hamiltonian on a lattice whose randomness is generated…

数学物理 · 物理学 2015-05-20 Alexander Elgart , Martin Tautenhahn , Ivan Veselic'

We propose a conceptually new framework to study the onset of Anderson localization in disordered systems. The idea is to expose waves propagating in a random scattering environment to a sequence of short dephasing pulses. The system…

量子气体 · 物理学 2015-06-22 T. Micklitz , C. A. Müller , A. Altland