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Mobility edge transitions from localized to extended states have been observed in two and three dimensional systems, for which sound theoretical explanations have also been derived. One-dimensional lattice models have failed to predict…

量子物理 · 物理学 2018-06-06 Andre M. C. Souza , Roberto. F. S. Andrade

Electron localization property of a random chain changing under the influence of a constant electric field has been studied. We have adopted the multifractal scaling formalism to explore the possible localization behavior in the system. We…

无序系统与神经网络 · 物理学 2009-10-31 Parthapratim Biswas , Prabhat K Thakur

We investigate the presence of localized solutions in models described by a single real scalar field with generalized dynamics. The study offers a method to solve very intricate nonlinear ordinary differential equations, and we illustrate…

高能物理 - 理论 · 物理学 2014-03-17 D. Bazeia , L. Losano , R. Menezes

The diffusion of active microscopic organisms in complex environments plays an important role in a wide range of biological phenomena from cell colony growth to single organism transport. Here, we investigate theoretically and…

流体动力学 · 物理学 2018-01-16 Juan L. Aragones , Shahrzad Yazdi , Alfredo Alexander-Katz

We consider the modulational instability of nonlinearly interacting two-dimensional waves in deep water, which are described by a pair of two-dimensional coupled nonlinear Schroedinger equations. We derive a nonlinear dispersion relation.…

混沌动力学 · 物理学 2007-05-23 P. K. Shukla , I. Kourakis , B. Eliasson , M. Marklund , L. Stenflo

Theoretical developments in sequential Bayesian analysis of multivariate dynamic models underlie new methodology for causal prediction. This extends the utility of existing models with computationally efficient methodology, enabling routine…

统计方法学 · 统计学 2024-06-05 Kevin Li , Graham Tierney , Christoph Hellmayr , Mike West

We present a scaling theory of the many-body localisation transition in terms of emergent, characteristic energyscales. The analysis is based on the decomposition of the eigenstates in the basis of trivially localised states, resolved in…

无序系统与神经网络 · 物理学 2025-06-03 Sthitadhi Roy

Wave transport in complex media is determined by the nature of quasimodes at the microscopic level. In three dimensional disordered media, waves generally undergo a phase transition from diffusion to Anderson localization, characterized by…

无序系统与神经网络 · 物理学 2025-10-24 Marcus Prado , Romain Bachelard , Robin Kaiser , Felipe A. Pinheiro

We show that a simple mechanistic model of spatial dispersal for settling organisms, subject to parameter variability, can generate heavy-tailed radial probability density functions. The movement of organisms in the model consists of a…

种群与进化 · 定量生物学 2025-09-23 Luis F. Gordillo , Priscilla E. Greenwood

Visual localization remains challenging in dynamic environments where fluctuating lighting, adverse weather, and moving objects disrupt appearance cues. Despite advances in feature representation, current absolute pose regression methods…

计算机视觉与模式识别 · 计算机科学 2025-06-11 Zhongtao Tian , Wenhao Huang , Zhidong Chen , Xiao Wei Sun

This is a complement to our earlier work \cite{C10a} where a new eigenvalue concentration bound for multi-particle disordered quantum lattice systems was obtained. Here we show that the new bound leads to a simplified proof of…

数学物理 · 物理学 2010-07-07 Victor Chulaevsky

Localized states in one-dimensional open disordered systems and their connection to the internal structure of random samples have been studied. It is shown that the localization of energy and anomalously high transmission associated with…

无序系统与神经网络 · 物理学 2009-11-10 K. Yu. Bliokh , Yu. P. Bliokh , V. Freilikher

A slowly-varying or thin-layer multiscale assumption empowers macroscale understanding of many physical scenarios from dispersion in pipes and rivers, including beams, shells, and the modulation of nonlinear waves, to homogenisation of…

动力系统 · 数学 2020-01-22 A. J. Roberts

The measured distribution of the single-channel delay time of localized microwave radiation and its correlation with intensity differ sharply from the behavior of diffusive waves. The delay time is found to increase with intensity, while…

无序系统与神经网络 · 物理学 2009-11-07 A. A. Chabanov , A. Z. Genack

This Letter reports a new wave phenomenon. We show that wave energy can be stored in random media. Associated with such energy storage is a global collective behavior. The features depicted are so general that they may be observed in many…

凝聚态物理 · 物理学 2007-05-23 Zhen Ye , Kang-Xin Wang

Recently, data exchange platforms have emerged in the digital economy to enable better resource allocation in a data-driven society, which requires cross-organizational data collaborations. Understanding the characteristics of the data on…

社会与信息网络 · 计算机科学 2020-03-12 Teruaki Hayashi , Yukio Ohsawa

In a recent experiment [X. Yu et al., arXiv:2602.07654], energy-resolved measurements of an atomic matter wave spreading in a speckle potential enabled the direct observation of the three-dimensional Anderson transition. In this work, we…

A variety of enhanced statistical and numerical methods are now routinely used to extract comprehensible and relevant thermodynamic information from the vast amount of complex, high-dimensional data obtained from intensive molecular…

软凝聚态物质 · 物理学 2020-10-14 Francois Sicard , Vladimir Koskin , Alessia Annibale , Edina Rosta

The dynamics of individual colloidal particles in random potential energy landscapes were investigated experimentally and by Monte Carlo simulations. The value of the potential at each point in the two-dimensional energy landscape follows a…

When very small particles are suspended in a fluid in motion, they tend to follow the flow. How such tracer particles are mixed, transported, and dispersed by turbulent flow has been successfully described by statistical models. Heavy…

流体动力学 · 物理学 2023-12-21 J. Bec , K. Gustavsson , B. Mehlig