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Related papers: Diffusion across a concentration step: Strongly no…

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Particle transport, acceleration and energisation are phenomena of major importance for both space and laboratory plasmas. Despite years of study, an accurate theoretical description of these effects is still lacking. Validating models with…

Recent advances in experimental and computational techniques have allowed for an accurate description of the adsorption of ionic liquids on metallic electrodes. It is now well established that they adopt a multi-layered structure, and that…

Materials Science · Physics 2016-03-15 Benjamin Rotenberg , Mathieu Salanne

A small, bimetallic particle in a hydrogen peroxide solution can propel itself by means of an electrocatalytic reaction. The swimming is driven by a flux of ions around the particle. We model this process for the presence of a monovalent…

Soft Condensed Matter · Physics 2015-06-04 Benedikt Sabass , Udo Seifert

The ionic conductivity of mixed alkali glasses exhibits a deep minimum as a function of the relative concentrations of the two alkali ions. To study this behaviour we consider a simple one-dimensional model for asymmetric diffusion of two…

Condensed Matter · Physics 2008-02-03 Sven Sandow , Steffen Trimper , David Mukamel

We study the Hamiltonian dynamics of a free particle injected onto a chain containing a periodic array of harmonic oscillators in thermal equilibrium. The particle interacts locally with each oscillator, with an interaction that is linear…

Statistical Mechanics · Physics 2007-05-23 Alex A. Silvius , Paul E. Parris , Stephan De Bievre

A conceptually new notion of hydrodynamic optical soliton tunneling is introduced in which a dark soliton is incident upon an evolving, broad potential barrier that arises from an appropriate variation of the input signal. The barriers…

Pattern Formation and Solitons · Physics 2018-04-04 P. Sprenger , M. A. Hoefer , G. A. El

Over the past two decades scientists have achieved a significant improvement of our understanding of the transport of energetic particles across a mean magnetic field. Due to test-particle simulations as well as powerful non-linear…

Plasma Physics · Physics 2022-01-05 Andreas Shalchi

We consider a system consisting of two interacting classical particles, each one subject to an on-site potential and to a Langevin thermal bath. We analytically calculate the heat current that can be established through the system when the…

Statistical Mechanics · Physics 2021-07-14 Lucianno Defaveri , Celia Anteneodo

We revisit the modeling of ion-neutral (or ambipolar) diffusion with two fluid smoothed particle hydrodynamics, as discussed by Hosking & Whitworth. Some parts of the technique are optimized to testify the pioneer works on behavior of the…

Astrophysics · Physics 2008-04-13 M. Nejad-Asghar , D. Molteni

We use molecular dynamics simulations of a simple model to show that dispersions of slightly elongated colloidal particles with long-range dipolar interactions, like ferrofluids, can form a physical (reversible) gel at low volume fractions.…

Soft Condensed Matter · Physics 2007-05-23 Ronald Blaak , Mark A. Miller , Jean-Pierre Hansen

We explore the heat current in the quantum Hall edge at filling factors $\nu = 1$ and $\nu = 2$ in the presence of dissipation. Dissipation arises in the compressible strip forming at the edge in presence of a smooth confining potential.…

Mesoscale and Nanoscale Physics · Physics 2019-08-06 Anna Goremykina , Artem Borin , Eugene Sukhorukov

We discuss the peculiarities of the Seebeck effect in stabilized electrolytes containing the colloidal particles. Its unusual feature is the two-stage character, with the linear increase of differential thermopower as the function of…

Soft Condensed Matter · Physics 2021-02-24 Ioulia Chikina , Sawako Nakamae , Valeriy Shikin , Andrey Varlamov

Salt water is ubiquitous, playing crucial roles in geological and physiological processes. Despite centuries of investigations, whether or not water's structure is drastically changed by dissolved ions is still debated. Based on density…

Chemical Physics · Physics 2022-02-14 Chunyi Zhang , Shuwen Yue , Athanassios Z. Panagiotopoulos , Michael L. Klein , Xifan Wu

Ultrafast photon-assisted tunneling is shown to lead to large nonlinear dynamic currents that can be used to generate dc rectified current as well as higher order harmonic response from a metasurface-coupled tunnel diode. This artificial…

Mesoscale and Nanoscale Physics · Physics 2019-11-25 Paul S Davids , Erik Anderson , Jared Kirsch , Joshua Shank

Because of the negative inclination of the solid-liquid phase separation line in water, ice Ih melts on compression. On further increase in pressure the liquid water transforms into a high density metastable glassy state, characterized by a…

Soft Condensed Matter · Physics 2021-04-22 Saumyak Mukherjee , Biman Bagchi

The dynamics of (few) electrons dissolved in an ionic fluid--as when a small amount of metal is added to a solution while upholding its electronic insulation--manifests interesting properties that can be ascribed to nontrivial topological…

Chemical Physics · Physics 2023-09-08 Paolo Pegolo , Stefano Baroni , Federico Grasselli

In this study, molecular dynamic simulations are employed to investigate the nucleation of NaCl crystal in solutions. According to the simulations, the dissolved behaviors of NaCl in water are dependent on ion concentrations. With…

Chemical Physics · Physics 2018-11-29 Qiang Sun

Thermally bistable fluid tends to self-organize into clouds of hot and cold material, which are internally uniform and separated by thin conduction fronts. The evolution of these clouds has been studied for isobaric systems, but when…

Plasma Physics · Physics 2024-07-18 Henry Fetsch , Nathaniel J. Fisch

It has been recently predicted theoretically that due to nuclear motion light and heavy hydrogen molecules exposed to strong electric field should exhibit substantially different tunneling ionization rates (O.I. Tolstikhin, H.J. Worner and…

Atomic Physics · Physics 2016-08-24 X. Wang , H. Xu , A. Atia-Tul-Noor , B. T. Hu , D. Kielpinski , R. T. Sang , I. V. Litvinyuk

Nonintegrable systems thermalize, leading to the emergence of fluctuating hydrodynamics. Typically, this hydrodynamics is diffusive. We use the effective field theory (EFT) of diffusion to compute higher-point functions of conserved…

Strongly Correlated Electrons · Physics 2024-02-14 Luca V. Delacretaz , Ruchira Mishra
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