Tunability of Critical Casimir Interactions by Boundary Conditions

We experimentally demonstrate that critical Casimir forces in colloidal systems can be continuously tuned by the choice of boundary conditions. The interaction potential of a colloidal particle in a mixture of water and 2,6-lutidine has been measured above a substrate with a gradient in its preferen...

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Veröffentlicht in:	arXiv.org 2009-10
Hauptverfasser:	Nellen, Ursula, Helden, Laurent, Bechinger, Clemens
Format:	Artikel
Sprache:	eng
Schlagworte:	Boundary conditions Physics - Soft Condensed Matter Substrates Surface properties
Online-Zugang:	Volltext
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