Nearly spherical vesicles: Shape fluctuations |
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Authors: | E I Kats V V Lebedev A R Muratov |
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Institution: | (1) L. D. Landau Institute for Theoretical Physics, Russian Academy of Sciences, 117940 Moscow, Russia;(2) Department of Physics, Weizmann Institute of Science, 76100 Rehovot, Israel;(3) Institute for Oil and Gas Research, Russian Academy of Sciences, 117917 Moscow, Russia |
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Abstract: | Isolated vesicles with “insufficient” area have a finite surface tension and spherical shapes, whereas vesicles with “excess”
area are necessarily aspherical. We consider the crossover behavior between both kinds of vesicles occurring as the equilibrium
area increases. In the mean field approximation it is a second-order phase transition from the spherical to aspherical shape.
We demonstrate the fluctuations smear the transition. The critical behavior of the amplitudes of fluctuations and of their
characteristic times is investigated.
Pis’ma Zh. éksp. Teor. Fiz. 63, No. 3, 203–208 (10 February 1996)
Published in English in the original Russian journal. Edited by Steve Torstveit. |
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