Single-file transport of binary hard-sphere mixtures through periodic potentials

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F23%3A10468476" target="_blank" >RIV/00216208:11320/23:10468476 - isvavai.cz</a>
Result on the web
<a href="https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=CJTsDGsckQ" target="_blank" >https://verso.is.cuni.cz/pub/verso.fpl?fname=obd_publikace_handle&handle=CJTsDGsckQ</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1063/5.0164401" target="_blank" >10.1063/5.0164401</a>

Result language
angličtina
Original language name
Single-file transport of binary hard-sphere mixtures through periodic potentials
Original language description
Single-file transport occurs in various scientific fields, including diffusion through nanopores, nanofluidic devices, and cellular processes.We here investigate the impact of polydispersity on particle currents for single-file Brownian motion of hard spheres when they aredriven through periodic potentials by a constant drag force. Through theoretical analysis and extensive Brownian dynamics simulations,we unveil the behavior of particle currents for random binary mixtures. The particle currents show a recurring pattern in dependenceof the hard-sphere diameters and mixing ratio. We explain this recurrent behavior by showing that a basic unit cell exists in the spaceof the two hard-sphere diameters. Once the behavior of an observable inside the unit cell is determined, it can be inferred for any diameter. The overall variation of particle currents with the mixing ratio and hard-sphere diameters is reflected by their variation in thelimit where the system is fully covered by hard spheres. In this limit, the currents can be predicted analytically. Our analysis explainsthe occurrence of pronounced maxima and minima of the currents by changes in the effective potential barrier for the center-of-massmotion
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
—
OECD FORD branch
10301 - Atomic, molecular and chemical physics (physics of atoms and molecules including collision, interaction with radiation, magnetic resonances, Mössbauer effect)

Project
<a href="/en/project/GC20-24748J" target="_blank" >GC20-24748J: Collective and tracer dynamics in single-file transport through periodic structures</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2023
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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