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We introduce a diffuse interface model for the phenomenon of electrowetting on dielectric and present an analysis of the arising system of equations. Moreover, we study discretization techniques for the problem. The model takes into account…

数值分析 · 数学 2011-12-30 Ricardo H. Nochetto , Abner J. Salgado , Shawn W. Walker

Friction is a major source of energy loss in mechanical devices. This energy loss may be minimized by creating interfaces with extremely reduced friction, i.e. superlubricity. Conventional wisdom holds that incommensurate interface…

材料科学 · 物理学 2023-12-25 Lukas Hörmann , Johannes J. Cartus , Oliver T. Hofmann

The role of interface states and dielectric mismatch is studied in ultrathin P-doped silicon-on-insulator (SOI) films with thickness of the device layer ($H_{SOI}$) varying from 30 to 8 nm and dopant concentration ($n_{D}$) ranging from…

We derive a dielectric-dependent hybrid functional which accurately describes the electronic properties of heterogeneous interfaces and surfaces, as well as those of three- and two-dimensional bulk solids. The functional, which does not…

材料科学 · 物理学 2019-07-17 Huihuo Zheng , Marco Govoni , Giulia Galli

We report equilibrium electric resistance R and tunneling spectroscopy dI/dV measurements obtained on single multiwall nanotubes contacted by four metallic Au fingers from above. At low temperature quantum interference phenomena dominate…

介观与纳米尺度物理 · 物理学 2015-06-25 C. Schonenberger , A. Bachtold , C. Strunk , J. -P. Salvetat , L. Forro

We derive a continuum mean-curvature flow as a certain hydrodynamic scaling limit of a class of Glauber+Zero-range particle systems. The Zero-range part moves particles while preserving particle numbers, and the Glauber part governs the…

The structure of polar liquids and electrolytic solutions, such as water and aqueous electrolytes, at interfaces underlies numerous phenomena in physics, chemistry, biology, and engineering. In this work, we develop a continuum theory that…

软凝聚态物质 · 物理学 2022-07-13 J. Pedro de Souza , Alexei A. Kornyshev , Martin Z. Bazant

Proximity effect is a very powerful approach and has been widely applied to induce electron correlations such as: superconductivity, magnetism and spin-orbit effects at the interface of heterostructure quantum materials. However, proximity…

We study a non-Hermitian variant of the (2+1)-dimensional Dirac wave equation, which hosts a real energy spectrum with pairwise-orthogonal eigenstates. In the spatially uniform case, the Hamiltonian's non-Hermitian symmetries allow its…

介观与纳米尺度物理 · 物理学 2023-08-09 Yun Yong Terh , Rimi Banerjee , Haoran Xue , Y. D. Chong

We develop a long-wavelength theory for the linear stability of a flat interface between an active nematic and an isotropic fluid. Starting from a diffuse-interface Cahn--Hilliard--Landau--de Gennes description coupled to Brinkman-screened…

软凝聚态物质 · 物理学 2026-05-22 Rodrigo C. V. Coelho , Mykola Tasinkevych , Margarida M. Telo da Gama

We study the transport properties of a NSN structure with an insulating barrier at each NS interface. Coherent quasiparticle scattering is assumed and self-consistency is implemented exactly to guarantee local charge conservation. The…

超导电性 · 物理学 2009-10-30 J. Sánchez-Cañizares , F. Sols

We propose a self-consistent many-body theory for coupling the ultrafast dipole-transition and carrier-plasma dynamics in a linear array of quantum wires with the scattering and absorption of ultrashort laser pulses. The quantum-wire…

光学 · 物理学 2019-06-06 Jeremy R. Gulley , Danhong Huang

Continuum solvent models have become a standard technique in the context of electronic structure calculations, yet, no implementations have been reported capable to perform molecular dynamics at solid-liquid interfaces. We propose here such…

化学物理 · 物理学 2015-05-13 Veronica M. Sanchez , Mariela Sued , Damian A. Scherlis

Spatial inhomogeneity, temporal modulation, and engineered anisotropy of parameters of electromagnetic media offer numerous opportunities for manipulating light-matter interaction over the past decades. Here, we investigate a scenario in…

We investigate the properties of spontaneous currents generated at surfaces and interfaces of d-wave superconductors using the self-consistent quasiclassical Eilenberger equations. The influence of the roughness and reflectivity of the…

超导电性 · 物理学 2009-11-07 M. H. S. Amin , A. N. Omelyanchouk , S. N. Rashkeev , M. Coury , A. M. Zagoskin

The interplay between charge density waves (CDWs) and high-temperature superconductivity is currently under intense investigation. Experimental research on this issue is difficult because CDW formation in bulk copper-oxides is strongly…

The dynamical conductivity of interacting multiband electronic systems derived in Ref.[1] is shown to be consistent with the general form of the Ward identity. Using the semiphenomenological form of this conductivity formula, we have…

介观与纳米尺度物理 · 物理学 2015-01-09 I. Kupcic

We derive and study equations for dissipative transient processes in a constraint incommensurate charge density wave (CDW) with remnant pockets or a thermal population of normal carriers. The attention was paid to give the correct…

强关联电子 · 物理学 2015-01-07 Alvaro Rojo Bravo , Tianyou Yi , Natasha Kirova , Serguei Brazovskii

We develop a general dynamical theory for studying a single photon transport in a one-dimensional (1D) waveguide coupled to multiple emitters which can be either identical or non-identical. In this theory, both the effects of the waveguide…

量子物理 · 物理学 2016-11-30 Zeyang Liao , Hyunchul Nha , M. Suhail Zubairy

The electron gas hosted in a two-dimensional solid-state matrix, such as a quantum well or a two-dimensional van der Waals heterostructure, supports the propagation of plasma waves. Nonlinear interactions between plasma waves, due to charge…

介观与纳米尺度物理 · 物理学 2021-02-24 Andrea Tomadin , Matteo Carrega , Marco Polini