Volume 54, Number 4, May 2001
|Page(s)||547 - 553|
|Section||Interdisciplinary physics and related areas of science and technology|
|Published online||01 December 2003|
Fluctuation-induced aggregation of rigid membrane inclusions
Max-Planck-Institut für Kolloid- und
Am Mühlenberg, 14476 Golm, Germany
Corresponding author: weikl@firstname.lastname@example.org
Accepted: 1 March 2001
The phase behavior of fluid membranes containing inclusions with increased elastic moduli is studied by analytical methods and Monte Carlo simulations. We consider i) inclusions with larger bending rigidity which restrict fluctuations of the mean curvature and ii) "stiff"inclusions suppressing fluctuations of both mean curvature and Gaussian curvature at the inclusion sites. Due to the suppression of membrane fluctuations, the aggregation of inclusions with larger bending rigidity is already observed for relatively weak mutual direct interactions. In the case of "stiff" inclusions, a strong fluctuation-induced tendency to aggregate is found even in the absence of direct interactions between the inclusions.
PACS: 87.16.Dg – Membranes, bilayers, and vesicles / 64.75.+g – Solubility, segregation, and mixing; phase separation / 05.10.Ln – Monte Carlo methods
© EDP Sciences, 2001
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