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In the late seventies an increasing interest in the scaling theory of Anderson localization led to new efforts to understand the conductance of systems which scatter electrons elastically. The conductance and its relation to the scattering…

介观与纳米尺度物理 · 物理学 2010-07-05 Markus Büttiker , Michael Moskalets

Optomechanical arrays are a promising future platform for studies of transport, many-body dynamics, quantum control and topological effects in systems of coupled photon and phonon modes. We introduce disordered optomechanical arrays,…

介观与纳米尺度物理 · 物理学 2017-09-15 Thales Figueiredo Roque , Vittorio Peano , Oleg M. Yevtushenko , Florian Marquardt

In the framework of non-Hermitian photonics, we investigate the interplay between disorder and non-Hermiticity in a one-dimensional Hatano-Nelson lattice. While Anderson localization dictates the wave's evolution in conservative random…

无序系统与神经网络 · 物理学 2025-05-20 E. T. Kokkinakis , K. G. Makris , E. N. Economou

We study the propagation of coherent waves in a nonlinearly-induced random potential, and find regimes of self-organized criticality and other regimes where the nonlinear equivalent of Anderson localization prevails. The regime of…

无序系统与神经网络 · 物理学 2019-11-26 Alexander Iomin

We study the scattering modes of light in a three-dimensional disordered medium, in the scalar approximation and above the critical density for Anderson localization. Localized modes represent a minority of the total number of modes, even…

光学 · 物理学 2020-01-08 N. A. Moreira , R. Kaiser , R. Bachelard

When waves scatter multiple times in 3D random media, a disorder driven phase transition from diffusion to localization may occur [Anderson 1958 Phys. Rev. 109 1492-505; Abrahams et al 1979 Phys. Rev. Lett. 42 673-6]. In "The question of…

无序系统与神经网络 · 物理学 2016-01-20 Tilo Sperling , Lukas Schertel , Mirco Ackermann , Geoffroy J. Aubry , Christof M. Aegerter , Georg Maret

Light scattering and localization in strongly scattering disordered systems is governed by the nature of the underlying eigenmodes, specially their spatial extension within the system. One of the main challenges in studying experimentally…

光学 · 物理学 2020-10-14 Bhupesh Kumar , Melanie Lebental , Patrick Sebbah

In the present paper we consider the quintic defocusing nonlinear Schr\"odinger equation in presence of a disordered random potential and we analyze the effects of the quintic nonlinearity on the Anderson localization of the solution. The…

量子物理 · 物理学 2011-04-29 A. T. Avelar , W. B. Cardoso

We use two different fully vectorial microscopic models featuring nonresonant and resonant scattering, respectively, to demonstrate the Anderson localization transition for elastic waves in three-dimensional (3D) disordered solids. Critical…

无序系统与神经网络 · 物理学 2018-08-24 S. E. Skipetrov , Y. M. Beltukov

We numerically investigate the properties of speckle patterns formed by nonlinear point scatterers. We show that, in the weak localization regime, dynamical instability appears, eventually leading to chaotic behavior of the system.…

介观与纳米尺度物理 · 物理学 2008-09-29 Benoit Gremaud , Thomas Wellens

We study the properties of the spinor wavefunction in a strongly disordered environment on a two-dimensional lattice. By employing a transfer-matrix calculation we find that there is a transition from delocalized to localized states at a…

无序系统与神经网络 · 物理学 2013-10-09 A. Hill , K. Ziegler

The paper explores the prospects of observing the phenomenon of dynamical Anderson localisation via non-resonant Raman-type rotational excitation of molecules by periodic trains of short laser pulses. We define conditions for such an…

量子物理 · 物理学 2013-08-14 Johannes Floß , Shmuel Fishman , Ilya Sh. Averbukh

We investigate numerically the effect of long-range interaction on the transverse localization of light. To this end, nonlinear zigzag optical waveguide lattices are applied, which allows precise tuning of the second-order coupling. We find…

光学 · 物理学 2013-09-13 M. Golshani , A. R. Bahrampour , A. Langari , A. Szameit

We experimentally investigate the evolution of linear and nonlinear waves in a realization of the Anderson model using disordered one dimensional waveguide lattices. Two types of localized eigenmodes, flat-phased and staggered, are directly…

Anderson localization has been observed in various types of waves, such as matter waves, optical waves and acoustic waves. Here we reveal that the effect of Anderson localization can be also induced in metallic nonlinear nanoparticle arrays…

光学 · 物理学 2016-07-29 Zhijie Mai , Fang Lin , Wei Pang , Haitao Xu , Suiyan Tan , Shenhe Fu , Yongyao Li

Transport of coherent waves in multiple-scattering media may exhibit fundamental, non intuitive phenomena such as halt of diffusion by disorder called Anderson localization. For electromagnetic waves, this phenomenon was observed only in…

We study the Anderson localization in nonlinear systems by taking a nonlinear transmission line realizing the Toda lattice. It is found that the randomness in inductance induces the Anderson localization in the voltage propagation.…

无序系统与神经网络 · 物理学 2021-09-14 Motohiko Ezawa

The scattering of a positron by a muon in the presence of a linearly polarized laser field is investigated in the first Born approximation. The theoretical results reveals: 1) at large scattering angle, an amount of multiphoton processes…

原子物理 · 物理学 2018-03-14 Wen-Yuan Du , Bing-Hong Wang , Shu-Min Li

The phenomenon of Anderson localization is studied for a class of one-particle Schr\"odinger operators with random Zeeman interactions. These operators arise as follows: Static spins are placed randomly on the sites of a simple cubic…

无序系统与神经网络 · 物理学 2015-05-27 Daniel Egli , Jürg Fröhlich , Hans-Rudolf Ott

The effect of disorder on magnonic transport in low-dimensional magnetic materials is studied in the framework of a classical spin model. Numerical investigations give insight into scattering properties of the systems and show the existence…

介观与纳米尺度物理 · 物理学 2015-07-24 Martin Evers , Cord A. Müller , Ulrich Nowak