6533b7d5fe1ef96bd12649c5
RESEARCH PRODUCT
Electrostatic interactions in critical solvents
Martin OettelSiegfried DietrichSiegfried DietrichMarkus BierMarkus BierAndrea GambassiAndrea Gambassisubject
Casimir effectMaterials scienceCritical point (thermodynamics)Chemical physicsEffective forceCritical phenomenaGeneral Physics and AstronomySoft Condensed Matter (cond-mat.soft)FOS: Physical sciencesCondensed Matter - Soft Condensed MatterElectrostaticsdescription
The subtle interplay between critical phenomena and electrostatics is investigated by considering the effective force acting on two parallel walls confining a near-critical binary liquid mixture with added salt. The ion-solvent coupling can turn a non-critical repulsive electrostatic force into an attractive one upon approaching the critical point. However, the effective force is eventually dominated by the critical Casimir effect, the universal properties of which are not altered by the presence of salt. This observation allows a consistent interpretation of recent experimental data.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2011-01-01 |