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To further develop accurate and large-scale simulations of electrochemical interfaces, we propose a unified explicit electric potential framework to simultaneously predict atomic forces and electron density distributions. The framework…

化学物理 · 物理学 2026-04-14 Jingwen Zhou , Yawen Yu , Xuwei Liu , Chungen Liu

Mean-field electrostatics is used to calculate the bending moduli of an electric double layer for fixed surface charge density of a macroion in a symmetric 1:1 electrolyte. The resulting expressions for bending stiffness, Gaussian modulus,…

软凝聚态物质 · 物理学 2018-08-06 Guilherme Volpe Bossa , Bjorn K. Berntson , Sylvio May

A model for ionic solutions with an attractive short-range pair interaction between the ions is presented. The short-range interaction is accounted for by adding a quadratic non-local term to the Poisson-Boltzmann free energy. The model is…

软凝聚态物质 · 物理学 2009-10-31 Yoram Burak , David Andelman

The nonlinear dynamics of a quasi-1D BEC loaded in a double-well potential is studied. The beyond mean-field corrections to the energy in the form of the Lee-Huang-Yang term are taken into account. One-dimensional geometry is considered.…

量子气体 · 物理学 2024-06-14 Fatkhulla Kh. Abdullaev , Ravil M. Galimzyanov , Akbar M. Shermakhmatov

Quantum gases of doubly-polar molecules represent appealing frameworks for a variety of cross-disciplinary applications, encompassing quantum simulation and computation, controlled quantum chemistry and precision measurements. Through a…

Capacitive mixing (CAPMIX) and capacitive deionization (CDI) are promising candidates for harvesting clean, renewable energy and for the energy efficient production of potable water, respectively. Both CAPMIX and CDI involve water-immersed…

软凝聚态物质 · 物理学 2016-08-08 Andreas Härtel , Mathijs Janssen , Sela Samin , René van Roij

The Poisson-Nernst-Planck (PNP) equations are fundamental for modeling ion transport in electrochemical systems, capturing the intricate interplay of concentration gradients, electric fields, and ion fluxes essential for applications such…

化学物理 · 物理学 2025-01-13 Yitao He , Dan Zhao

We consider the Poisson-Nernst-Planck system which is well-accepted for describing dilute electrolytes as well as transport of charged species in homogeneous environments. Here, we study these equations in porous media whose electric…

数学物理 · 物理学 2013-02-26 Markus Schmuck

Triggered by experimental prospects to measure electromagnetic dipole moments of baryons containing a bottom quark, we calculate the CP-odd electric dipole moments (EDMs) of spin-1/2 single-bottom baryons. We consider CP-violating…

高能物理 - 唯象学 · 物理学 2022-04-12 Y. Ünal , D. Severt , J. de Vries , C. Hanhart , Ulf-G. Meißner

For multispecies ions, we study boundary layer solutions of charge conserving Poisson-Boltzmann (CCPB) equations [50] (with a small parameter \k{o}) over a finite one-dimensional (1D) spatial domain, subjected to Robin type boundary…

偏微分方程分析 · 数学 2015-04-28 Chiun-Chang Lee , Hijin Lee , YunKyong Hyon , Tai-Chia Lin , Chun Liu

Porous electrodes are found in energy storage devices such as supercapacitors and pseudocapacitors. However, the effect of electrode-pore-size distribution over their energy storage properties remains unclear. Here, we develop a model for…

化学物理 · 物理学 2021-12-03 Filipe Henrique , Pawel J. Zuk , Ankur Gupta

We investigate the quantum and thermal phase diagram of fermionic polar molecules loaded in a bilayer trapping potential with perpendicular dipole moment. We use both a BCS theory approach that is most realiable at weak-coupling and a…

量子气体 · 物理学 2012-01-13 N. T. Zinner , B. Wunsch , D. Pekker , D. -W. Wang

We use a mapping of the quasi-2D electron liquid to a classical fluid and use the hypernetted-chain equation inclusive of bridge corrections, i.e., CHNC, to calculate the electron pair-distribution functions and exchange-correlation…

强关联电子 · 物理学 2009-11-11 M. W. C. Dharma-wardana

The non-linear Poisson-Boltzmann equation for a circular, uniformly charged platelet, confined together with co- and counter-ions to a cylindrical cell, is solved semi-analytically by transforming it into an integral equation and solving…

软凝聚态物质 · 物理学 2009-10-31 R. J. F. Leote de Carvalho , E. Trizac , J. P Hansen

Starting from the microscopic reduced Hartree-Fock equation, we derive the nanoscopic linearized Poisson-Boltzmann equation for the electrostatic potential associated with the electron density.

数学物理 · 物理学 2020-12-07 Ilias , Chenn , Israel Michael Sigal

A coherent state technique is used to generate an Interacting Boson Model (IBM) Hamiltonian energy surface that simulates a mean field energy surface. The method presented here has some significant advantages over previous work.…

核理论 · 物理学 2015-03-18 I. Bentley , S. Frauendorf

Metal-oxide surfaces act as both Br{\o}nsted acids and bases, which allows the exchange of protons with the electrolyte solution and generates either positive or negative proton charges depending on the environmental pH. These interfacial…

化学物理 · 物理学 2024-08-13 Lisanne Knijff , Mei Jia , Chao Zhang

A diffuse interface (phase field) model for an electrochemical system is developed. We describe the minimal set of components needed to model an electrochemical interface and present a variational derivation of the governing equations. With…

材料科学 · 物理学 2007-05-23 J. E. Guyer , W. J. Boettinger , J. A. Warren , G. B. McFadden

A model is presented for the solution of electrokinetic phenomena of colloidal suspensions in fluid mixtures. We solve the discrete Boltzmann equation with a BGK collision operator using the lattice Boltzmann method to simulate binary fluid…

软凝聚态物质 · 物理学 2018-05-09 Nicolas Rivas , Stefan Frijters , Ignacio Pagonabarraga , Jens Harting

We present theoretical work in which the degree of electrostatic coupling across a charged lipid bilayer in aqueous solution is analyzed on the basis of nonlinear Poisson-Boltzmann theory. In particular, we consider the electrostatic…

软凝聚态物质 · 物理学 2007-05-23 Alexander J. Wagner , Sylvio May