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In this article, a novel implementation of a widely used pseudo-two-dimensional (P2D) model for lithium-ion battery simulation is presented with a transmission line circuit structure. This implementation represents an interplay between…

化学物理 · 物理学 2021-11-03 Zeyang Geng , Siyang Wang , Matthew J. Lacey , Daniel Brandell , Torbjörn Thiringer

Ring polymer molecular dynamics (RPMD) is used to directly simulate the dynamics of an excess electron in a supercritical fluid over a broad range of densities. The accuracy of the RPMD model is tested against numerically exact path…

统计力学 · 物理学 2011-07-27 Thomas F. Miller

We have developed molecular dynamics codes for a short-range interaction potential that adopt both the flat-MPI and MPI/OpenMP hybrid parallelizations on the basis of a full domain decomposition strategy. Benchmark simulations involving up…

计算物理 · 物理学 2013-11-28 Hiroshi Watanabe , Masaru Suzuki , Nobuyasu Ito

We present two models for electron-driven uphill proton transport across lipid membranes, with the electron energy converted to the proton gradient via the electrostatic interaction. In the first model, associated with the cytochrome c…

介观与纳米尺度物理 · 物理学 2015-05-20 Anatoly Yu. Smirnov , Lev G. Mourokh , Franco Nori

Tunneling of electrons through rotor-stator anthracene aldehyde molecular interfaces is studied with a combined ab initio and model approach. Molecular electronic structure calculated from first principles is utilized to model different…

化学物理 · 物理学 2016-05-27 Irina Petreska , Vladimir Ohanesjan , Ljupco Pejov , Ljupco Kocarev

Atomic-level structure of solids is typically determined by techniques such as X-ray and electron diffraction,1, 2, 3, 4 which are sensitive to atomic positions. It is hardly necessary to mention the impact that these techniques have had on…

材料科学 · 物理学 2010-04-21 B. Gokce , E. J. Adles , D. E. Aspnes , K. Gundogdu

In this manuscript, we undertake an examination of a classical plasma deployed on two finite co-planar surfaces: a circular region $\Omega_{in}$ into an annular region $\Omega_{out}$ with a gap in between. It is studied both from the point…

统计力学 · 物理学 2024-07-02 Robert Salazar , Cristian Cobos , Diego Jaramillo , Camilo Bayona

A general physics-based model is developed for heterogeneous electrocatalysis in porous electrodes and used to predict and interpret the impedance of solid oxide fuel cells. This model describes the coupled processes of oxygen gas…

化学物理 · 物理学 2014-12-05 Y. Fu , S. Poizeau , A. Bertei , C. Qi , A. Mohanram , J. D. Pietras , M. Z. Bazant

Quantum simulations of photoexcited low-dimensional systems are pivotal for understanding how to functionalize and integrate novel two-dimensional (2D) materials in next-generation optoelectronic devices. First principles predictions are…

介观与纳米尺度物理 · 物理学 2023-05-15 Enrico Perfetto , Gianluca Stefanucci

We introduce a combined molecular dynamics (MD) and quantum trajectories (QT) code to simulate the effects of near-resonant optical fields on state-vector evolution and particle motion in a collisional system. In contrast to collisionless…

原子物理 · 物理学 2020-02-05 G. M. Gorman , T. K. Langin , M. K. Warrens , D. Vrinceanu , T. C. Killian

We present a new approach for the two-temperature molecular dynamics (MD) model for coupled simulations of electronic and phonon heat conduction in nanoscale systems. The proposed method uses a master equation to perform heat conduction of…

计算物理 · 物理学 2019-09-04 Mohammad W. Ullah , Mauricio Ponga

Parallelism of tight-binding molecular dynamics simulations is presented by means of the order-N electronic structure theory with the Wannier states, recently developed (J. Phys. Soc. Jpn. 69,3773 (2000)). An application is tested for…

材料科学 · 物理学 2009-11-10 Masaaki Geshi , Takeo Hoshi , Takeo Fujiwara

Pitting corrosion is a much-studied and technologically relevant subject. However, the fundamental mechanisms responsible for the breakdown of the passivating oxide layer are still subjects of debate. Chloride anions are known to accelerate…

材料科学 · 物理学 2021-07-07 Kevin Leung

We introduce EChemDID, a model to describe electrochemical driving force in reactive molecular dynamics simulations. The method describes the equilibration of external electrochemical potentials (voltage) within metallic structures and…

材料科学 · 物理学 2015-09-02 Nicolas Onofrio , Alejandro Strachan

Quantum algorithms have the potential to revolutionize our understanding of open quantum systems in chemistry. In this work, we demonstrate that a repeated interaction model, which could serve as the foundation for a digital quantum…

量子物理 · 物理学 2025-05-05 Lea K. Northcote , Matthew S. Teynor , Gemma C. Solomon

Direct numerical simulations are utilised to investigate mass transfer processes at gas-evolving electrodes that experience successive formation and detachment of bubbles. The gas-liquid interface is modeled employing an Immersed Boundary…

流体动力学 · 物理学 2023-10-23 Farzan Sepahi , Roberto Verzicco , Detlef Lohse , Dominik Krug

We study boron, carbon, nitrogen and oxygen isotopes with a newly constructed shell-model Hamiltonian developed from monopole-based-universal interaction ($V_{MU}$). The present Hamiltonian can reproduce well the ground-state energies,…

核理论 · 物理学 2012-09-26 Cenxi Yuan , Toshio Suzuki , Takaharu Otsuka , Furong Xu , Naofumi Tsunoda

The conversion of $\mathrm{CO_2}$ to value-added compounds is an important part of the effort to store and reuse atmospheric $\mathrm{CO_2}$ emissions. Here we focus on $\mathrm{CO_2}$ hydrogenation over so-called inverse catalysts:…

Biological cells are the prototypical example of active matter. Cells sense and respond to mechanical, chemical and electrical environmental stimuli with a range of behaviors, including dynamic changes in morphology and mechanical…

计算工程、金融与科学 · 计算机科学 2017-02-28 Endre Somogyi , James A. Glazier

Using computer simulations, the electrophoretic motion of a positively charged colloid (macroion) in an electrolyte solution is studied in the framework of the primitive model. Hydrodynamic interactions are fully taken into account by…

软凝聚态物质 · 物理学 2015-06-25 Apratim Chatterji , Jürgen Horbach