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BP: Fachverband Biologische Physik
BP 27: Membrane Morphology and Adhesion
BP 27.8: Vortrag
Freitag, 29. Februar 2008, 12:30–12:45, C 243
Contact lines for fluid surface adhesion — •Martin Michael Müller1,2, Markus Deserno1,3 und Jemal Guven4 — 1Max Planck Institute for Polymer Research, D-55128 Mainz, Germany — 2Laboratoire de Physique Statistique, ENS, F-75231 Paris Cedex 05, France — 3Department of Physics, Carnegie Mellon University, Pittsburgh, PA 15213, USA — 4Instituto de Ciencias Nucleares, UNAM, Apdo. Postal 70-543, 04510 México D.F., Mexico
When a fluid membrane or a similar surface adheres to a substrate, the location of the contact line adjusts in order to minimize the overall energy. This implies boundary conditions which depend on the characteristic surface deformation energies. In this talk a general geometrical framework is presented within which these conditions can be derived in a completely systematic way [1,2]. Both adhesion to a rigid substrate as well as adhesion between two fluid surfaces will be treated and illustrated for several important Hamiltonians involving both curvature and curvature gradients.
M. Deserno, M. M. Müller, and J. Guven, Phys. Rev. E 76, 011605 (2007).
[2] M. M. Müller, Phd thesis, available at
http://www.geomnat.com/veroeff_en.php