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The modeling of the elastic properties of granular or nanoscale systems requires the foundations of the theory of elasticity to be revisited, as one explores scales at which this theory may no longer hold. The only cases for which a…

统计力学 · 物理学 2007-05-23 I. Goldhirsch , C. Goldenberg

Topological defects (including disclinations and dislocations) which commonly exist in various materials have shown an amazing ability to produce excellent mechanical and physical properties of matters. In this paper, disclinations and…

材料科学 · 物理学 2021-02-16 Baizhan Xia , Liang Tong , Jie Zhang , Shengjie Zheng , Xianfeng Man

We investigate the formation of polycrystalline structures in a class of particle systems. The atomistic energy is modeled as a sum of particle energies that favor atoms being locally isometric to a reference lattice. The discrete frame…

介观与纳米尺度物理 · 物理学 2026-04-22 Leonard Kreutz , Timo Ziereis

We consider the scaling limit of a generic ferromagnetic system with a continuous phase transition, on the half plane with boundary conditions leading to the equilibrium of two different phases below criticality. We use general properties…

统计力学 · 物理学 2014-10-09 Gesualdo Delfino , Alessio Squarcini

Discontinuity of dielectric constants at the interface is a common feature of all nanostructures and semiconductor heterostructures. Near such interfaces, a charged particle creates a singular self-interaction potential which may be…

材料科学 · 物理学 2025-10-13 Y. M. Beltukov , A. V. Rodina , A. Alekseev , Al. L. Efros

In nanostructure electronic devices, it is well-known that the optical lattice waves in the constituent semiconductor crystals have to obey both mechanical and electrical boundary conditions at an interface. The theory of hybrid optical…

材料科学 · 物理学 2020-04-10 A. Dyson , B. K. Ridley

A coarse grained description of a two phase fluid is used to study the steady state configuration of the interface separating the coexisting phases, and the motion of the contact line at which the interface intersects a solid boundary. The…

统计力学 · 物理学 2009-10-31 Hsuan-Yi Chen , David Jasnow , Jorge Vinals

We present equivalent conditions and asymptotic models for the diffraction problem of elastic and acoustic waves in a solid medium surrounded by a thin layer of fluid medium. Due to the thinness of the layer with respect to the wavelength,…

数值分析 · 数学 2022-05-16 Victor Péron

We present a finite element discretisation to model the interaction between a poroelastic structure and an elastic medium. The consolidation problem considers fully coupled deformations across an interface, ensuring continuity of…

数值分析 · 数学 2023-06-21 S. Badia , M. Hornkjøl , A. Khan , K. -A. Mardal , A. F. Martín , R. Ruiz-Baier

This review presents the elastic theory of low-dimensional (one- and two-dimensional) continua and its applications in bio- and nano-structures. First, the curve and surface theory, as the geometric representation of the low-dimensional…

软凝聚态物质 · 物理学 2015-01-20 Z. C. Tu , Z. C. Ou-Yang

We consider a model for the evolution of an interface in a heterogeneous environment governed by a parabolic equation. The heterogeneity is introduced as obstacles exerting a localized dry friction. Our main result establishes the emergence…

偏微分方程分析 · 数学 2019-09-12 Luca Courte , Patrick Dondl , Ulisse Stefanelli

We consider three-dimensional statistical systems at phase coexistence in the half-volume with boundary conditions leading to the presence of an interface. Working slightly below the critical temperature, where universal properties emerge,…

统计力学 · 物理学 2021-04-22 Gesualdo Delfino , Marianna Sorba , Alessio Squarcini

This work focuses on the interfacial dynamics with interfacial mass flux in the presence of acceleration and surface tension. We employ the general matrix method to find the fundamental solutions for the linearized boundary value problem…

流体动力学 · 物理学 2021-07-07 D. V. Ilyin , S. I. Abarzhi

We present an introduction to modern theories of interfacial fluctuations and the associated interfacial parameters: surface tension and surface stiffness, as well as their interpretation within the capillary wave model. Transfer matrix…

凝聚态物理 · 物理学 2014-10-13 Vladimir Privman

We propose a formalization for dissipative fluids with interfaces in an inhomogeneous temperature field from the viewpoint of a variational principle. Generally, the Lagrangian of a fluid is given by the kinetic energy density minus the…

流体动力学 · 物理学 2015-07-10 Hiroki Fukagawa , Chun Liu , Takeshi Tsuji

The study of topological states in electronic structures, which allows robust transport properties against impurities and defects, has been recently extended to the realm of elasticity. This work shows that nontrivial topological flexural…

The vibrational anomalies of glasses, in particular the boson peak, are addressed from the standpoint of heterogeneous elasticity, namely the spatial fluctuations of elastic constants caused by the structural disorder of the amorphous…

无序系统与神经网络 · 物理学 2020-09-15 Walter Schirmacher , Giancarlo Ruocco

We review and compare recent work on the properties of fluctuating interfaces between nematic and isotropic liquid-crystalline phases. Molecular dynamics and Monte Carlo simulations have been carried out for systems of ellipsoids and hard…

软凝聚态物质 · 物理学 2013-03-19 Friederike Schmid , Guido Germano , Stefan Wolfsheimer , Tanja Schilling

A minimal description of the inherent states of amorphous solids is presented. Using field theory, applicable when a system is probed at long length scales, it is shown that athermal amorphous solids have long-range correlations in their…

无序系统与神经网络 · 物理学 2018-09-12 E. DeGiuli

We consider non-Hermitian dynamics of a quantum particle hopping on a one-dimensional tight-binding lattice made of $N$ sites with asymmetric hopping rates induced by a time-periodic oscillating imaginary gauge field. A deeply different…

量子物理 · 物理学 2016-08-10 Stefano Longhi