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This study investigates the application of an artificial neural network to predict the complex dielectric properties of granular catalysts commonly used in microwave reaction chemistry. The study utilizes finite element electromagnetic…

应用物理 · 物理学 2020-07-06 Robert Tempke , Liam Thomas , Christina Wildfire , Dushyant Shekhawat , Terence Musho

Scattering of electromagnetic (EM) waves by many small particles, embedded in a given medium, is studied. Physical properties of the particles are described by their boundary impedances. The limiting equation is obtained for the effective…

光学 · 物理学 2011-01-25 A. G. Ramm

Magnetic flux patterns are known to strongly differ in the intermediate state of type-I and type-II superconductors. Using a type-I/type-II bilayer we demonstrate hybridization of these flux phases into a plethora of unique new ones. Owing…

超导电性 · 物理学 2013-10-01 L. Komendová , M. V. Milošević , F. M. Peeters

Assuming that core loss data of Soft Magnetic Materials obey scaling relations, models describing the power losses in materials exposed to non-sinusoidal flux waveforms and DC Bias conditions have been derived. In order to test these…

材料科学 · 物理学 2013-09-03 Adam Ruszczyk , Krzysztof Sokalski , Jan Szczyglowski

It is discussed that the classical effective medium theory for the elastic properties of random heterogeneous materials is not congruous with the effective medium theory for the electrical conductivity. In particular, when describing the…

材料科学 · 物理学 2020-02-17 Snarskii Andrei , Shamonin Mikhail , Yuskevich Pavel

It has been conjectured by Bagnold [1] that an assembly of hard non-deformable spheres could behave as a compressible medium when slowly sheared, as the average density of such a system effectively depends on the confining pressure. Here we…

统计力学 · 物理学 2015-06-12 Martin Trulsson , Mehdi Bouzid , Philippe Claudin , Bruno Andreotti

We consider a lattice gas with quenched impurities or `quenched-annealed binary mixture' on the Bethe lattice. The quenched part represents a porous matrix in which the (annealed) lattice gas resides. This model features the 3 main factors…

软凝聚态物质 · 物理学 2009-11-10 R. O. Sokolovskii , M. E. Cates , T. G. Sokolovska

A soft ellipsoid model for Gaussian polymer chains is studied, following an idea proposed by Murat and Kremer [J. Chem. Phys. 108, 4340 (1998)]. In this model chain molecules are mapped onto ellipsoids with certain shapes, and to each shape…

软凝聚态物质 · 物理学 2009-10-31 Frank Eurich , Philipp Maass

This paper presents an unusual view of interference wireless networks based on complex system thinking. To proceed with this analysis, a literature review of the different applications of complex systems is firstly presented to illustrate…

信息论 · 计算机科学 2013-03-13 Pedro H. J. Nardelli , Paulo Cardieri , William A. Kretzschmar , Matti Latva-aho

Materials with network-like microstructure, including polymers, are the backbone for many natural and human-made materials such as gels, biological tissues, metamaterials, and rubbers. Fracture processes in these networked materials are…

软凝聚态物质 · 物理学 2020-01-29 Ahmed Ghareeb , Ahmed Elbanna

We study a material modeled as a network of nodes connected by edges. Using a discrete approach, we build a nonlinear algebraic system that connects applied forces to internal forces and node positions. The model can describe elasticity,…

最优化与控制 · 数学 2025-10-14 Ioannis Dassios

We show that materials made of scatterers distributed on a stealth hyperuniform point pattern can be transparent at densities for which an uncorrelated disordered material would be opaque due to multiple scattering. The conditions for…

光学 · 物理学 2016-05-16 Olivier Leseur , Romain Pierrat , Rémi Carminati

Soft tissues - such as ligaments and tendons - primarily consist of solid (collagen, predominantly) and liquid phases. Understanding the interaction between such components and how they change under physiological loading sets the basis for…

We examine the stability of magnetic order in a classical Heisenberg model with quenched random exchange couplings. This system represents the spin degrees of freedom in high-$T_\textrm{c}$ compounds with immobile dopants. Starting from a…

无序系统与神经网络 · 物理学 2009-11-07 Frank Krüger , Stefan Scheidl

Segmented magnetic nanowires are a promising route for the development of three dimensional data storage techniques. Such devices require a control of the coercive field and the coupling mechanisms between individual magnetic elements. In…

We report on magnetic properties of cubic compound Cu3TeO6 studied by $ac$ and $dc$ susceptibility and neutron powder diffraction for the first time. A novel magnetic lattice, three dimensional spin web, composed of almost planar regular…

强关联电子 · 物理学 2009-11-11 M. Herak , H. Berger , M. Prester , M. Miljak , I. Zivkovic , O. Milat , D. Drobac , S. Popovic , O. Zaharko

In the present paper, using a molecular dynamics simulation, we study a nature of melting of a two-dimensional ($2D$) system of classical particles interacting through a purely repulsive isotropic core-softened potential which is used for…

软凝聚态物质 · 物理学 2015-06-22 D. E. Dudalov , Yu. D. Fomin , E. N. Tsiok , V. N. Ryzhov

Robust Bayesian inference is the calculation of posterior probability bounds given perturbations in a probabilistic model. This paper focuses on perturbations that can be expressed locally in Bayesian networks through convex sets of…

人工智能 · 计算机科学 2013-02-08 Fabio Gagliardi Cozman

Shape Memory Alloys (SMAs) are a class of smart materials that exhibit a macroscopic contraction of up to 5% when heated via an electric current. This effect can be exploited for the development of novel unconventional actuators. Despite…

系统与控制 · 电气工程与系统科学 2023-05-24 M. Mandolino , D. Scholtes , F. Ferrante , G. Rizzello

The maximum current-perpendicular-to-plane giant magnetoresistance is searched for in magnetic multilayers made of Co, Ni, and Cu with disorder levels similar to those found in room temperature experiments. The calculation is made possible…

材料科学 · 物理学 2007-05-23 Tat-Sang Choy , Jian Chen , Selman Hershfield