Three-lobe-shaped equilibrium states in magnetic liquid bridges

Stable 3-lobed cross sectional equilibrium shapes, invariant under rotations of 120 degrees, are reported in magnetic liquid drops confined between two horizontal plates in the presence of a vertical dc magnetic field. Their connectivity with other 4-, 3- or 2-lobed shapes as magnetic field strength...

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Bibliographic Details
Published in:Physical review. E, Statistical, nonlinear, and soft matter physics Statistical, nonlinear, and soft matter physics, 2002-03, Vol.65 (3 Pt 2A), p.035302-035302
Main Authors: Papathanasiou, A G, Boudouvis, A G
Format: Article
Language:English
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Summary:Stable 3-lobed cross sectional equilibrium shapes, invariant under rotations of 120 degrees, are reported in magnetic liquid drops confined between two horizontal plates in the presence of a vertical dc magnetic field. Their connectivity with other 4-, 3- or 2-lobed shapes as magnetic field strength varies is studied experimentally. Although 3-lobed shapes are found to evolve into bent 2-lobed ones by slowly decreasing the field strength, the reverse transition is not observed when the field strength increases. Moreover, 2-lobed shapes suffer a bending transition, by increasing the field strength, which is found to be hysteretic.
ISSN:1539-3755
DOI:10.1103/PhysRevE.65.035302