Reference : Symmetry breaking in a few-body system with magnetocapillary interactions
Scientific journals : Article
Physical, chemical, mathematical & earth Sciences : Physics
http://hdl.handle.net/2268/117605
Symmetry breaking in a few-body system with magnetocapillary interactions
English
Vandewalle, Nicolas mailto [Université de Liège - ULg > Département de physique > Physique statistique >]
Clermont, Lionel [ > > ]
Terwagne, Denis [ > > ]
Dorbolo, Stéphane mailto [Université de Liège - ULg > Département de physique > Physique statistique >]
Mersch, Eric mailto [Université de Liège - ULg > Département de physique > Physique statistique >]
Lumay, Geoffroy mailto [Université de Liège - ULg > Département de physique > Physique statistique >]
2012
Physical Review. E : Statistical, Nonlinear, and Soft Matter Physics
American Physical Society
85
041402
Yes (verified by ORBi)
International
1539-3755
1550-2376
College Park
MD
[en] capillary forces ; magnetic interaction
[en] We have experimentally investigated the interactions between floating magnetic spheres which are submitted to a vertical magnetic field, ensuring a tunable repulsion, while capillary forces induce attraction. We emphasize the complex arrangements of floating bodies. The equilibrium distance between particles exhibits hysteresis when the applied magnetic field is modified. Irreversible processes are evidenced. Symmetry breaking is also found for three identical floating bodies when the strength of the magnetic repulsion is tuned. We propose a Dejarguin-Landau-Verwey-Overbeek (DLVO)–like potential, i.e., an interaction potential with a primary and a secondary minimum, capturing the main physical features of the magnetocapillary interaction, which is relevant for self-assembly.
http://hdl.handle.net/2268/117605

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