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Isolated, atomically thin conducting membranes of graphite, called graphene, have recently been the subject of intense research with the hope that practical applications in fields ranging from electronics to energy science will emerge.…

介观与纳米尺度物理 · 物理学 2010-09-17 S. Garaj , W. Hubbard , A. Reina , J. Kong , D. Branton , J. A. Golovchenko

We present a study of the wrinkling modes, localized in the plane of single- and few-layer graphene sheets embedded in or placed on a compliant compressively strained matrix. We provide the analytical model based on nonlinear elasticity of…

介观与纳米尺度物理 · 物理学 2021-01-29 Yu. A. Kosevich , I. A. Strelnikov

In order to confine waves beyond the diffraction limit, advances in fabrication techniques have enabled subwavelength structuring of matter, achieving near-field control of light and other types of waves. The price is often expensive…

应用物理 · 物理学 2020-09-23 Emanuele Galiffi , Yao-Ting Wang , Zhen Lim , J. B. Pendry , Andrea Alù , Paloma A. Huidobro

The structure of a physisorbed sub-monolayer of 1,2-bis(4-pyridyl)ethylene (bpe) on epitaxial graphene is investigated by Low-Energy Electron Diffraction and Scanning Tunneling Microscopy. Additionally, non-equilibrium heat-transfer between…

材料科学 · 物理学 2020-08-26 Bareld Wit , Ole Bunjes , Martin Wenderoth , Claus Ropers

Reaction-diffusion equations (RDEs) are often derived as continuum limits of lattice-based discrete models. Recently, a discrete model which allows the rates of movement, proliferation and death to depend upon whether the agents are…

动力系统 · 数学 2021-05-19 Yifei Li , Peter van Heijster , Matthew J. Simpson , Martin Wechselberger

The quantum entanglement phenomenon was demonstrated to operate on a bipartite entangled system composed of two single layers of graphene embedded in an electrolytic medium (which did not permit the transport of electrons) and subjected to…

综合物理 · 物理学 2024-10-17 David A. Miranda , Edgar F. Pinzón , Paulo R. Bueno

The propagation of heat and thermal signals in the form of travelling waves is investigated for a nonlinear Maxwell-Cattaneo-Vernotte equation. The exact wave solutions are derived by expressing the thermal conductivity and the relaxation…

数学物理 · 物理学 2026-04-13 Munafò Carmelo Filippo , Rogolino Patrizia , Sciacca Michele

We perform a phenomenological analysis of the problem of the electronic doping of a graphene sheet by deposited transition metal atoms, which aggregate in clusters. The sample is placed in a capacitor device such that the electronic doping…

we have fabricated transparent electronic devices based on graphene materials with thickness down to one single atomic layer by the transfer printing method. The resulting printed graphene devices retain high field effect mobility and have…

This paper develops the use of wavelets as a basis set for the solution of physical problems exhibiting behavior over wide-ranges in length scale. In a simple diagrammatic language, this article reviews both the mathematical underpinnings…

材料科学 · 物理学 2007-05-23 T. A. Arias , T. D. Engeness

With the technology of artificial defects creating, we can tune the band structure and transport properties of many two-dimensional (2D) layered materials. One prototype materials system is the antidoted graphene sheet, where periodical…

材料科学 · 物理学 2022-01-19 Shuang Tang , Andy Juan , David Drysdale , Joseph Duarte Menjivar , Jason Guzman

The propagation of heat in the transient thermal grating geometry is studied based on phonon Boltzmann transport equation (BTE) in different phonon transport regimes. Our analytical and numerical results show that the phonon dispersion…

介观与纳米尺度物理 · 物理学 2022-09-07 Chuang Zhang , Samuel Huberman , Lei Wu

In this paper, we propose that both the quasi-transverse-magnetic (TM) and quasi-transverseelectric (TE) Airy plasmons can be supported in graphene-based waveguides. The solution of Airy plasmons is calculated analytically and the existence…

光学 · 物理学 2016-04-21 Rujiang Li , Muhammad Imran , Xiao Lin , Hongsheng Chen

In this work, we develop a method for learning interpretable, thermodynamically stable and Galilean invariant partial differential equations (PDEs) based on the Conservation-dissipation Formalism of irreversible thermodynamics. As governing…

计算物理 · 物理学 2021-10-13 Juntao Huang , Zhiting Ma , Yizhou Zhou , Wen-An Yong

This paper is concerned with the traveling wave solutions and asymptotic spreading of delayed lattice differential equations without quasimonotonicity. The spreading speed is obtained by constructing auxiliary equations and using the theory…

动力系统 · 数学 2014-05-07 Shuxia Pan

Ab-initio density functional perturbation theory (DFPT) has been employed to study thermodynamical properties of pure and doped graphene sheet and the results have been compared with available theoretical and experimental data. The…

介观与纳米尺度物理 · 物理学 2020-05-22 Sarita Mann , Pooja Rani , Ranjan Kumar , Girija S. Dubey , V. K. Jindal

Using the variable phase method, we reformulate the Dirac equation governing the charge carriers in graphene into a nonlinear first-order differential equation from which we can treat both confined-state problems in electron waveguides and…

介观与纳米尺度物理 · 物理学 2012-09-11 D. A. Stone , C. A. Downing , M. E. Portnoi

We provide an analytical solution of the heat equation in the half-space subject to a moving Gaussian heat flux with piecewise constant parameters. The solution is of interest in powder bed fusion applications where these parameters can be…

数值分析 · 数学 2019-01-31 Robert Forslund , Anders Snis , Stig Larsson

This work is devoted to the construction of weakly nonlinear, highly oscillating, current vortex sheet solutions to the incompressible magnetohydrodynamics equations. Current vortex sheets are piecewise smooth solutions to the…

偏微分方程分析 · 数学 2018-07-03 Olivier Pierre , Jean-François Coulombel

In this work, we develop a fast and accurate method for the scattering of flexural-gravity waves by a thin plate of varying thickness overlying a fluid of infinite depth. This problem commonly arises in the study of sea ice and ice shelves,…

数值分析 · 数学 2025-01-03 Travis Askham , Jeremy G. Hoskins , Peter Nekrasov , Manas Rachh