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pro vyhledávání: '"Fournier, J. B."'
We examine the behavior of spherical silica particles trapped at an air-nematic liquid crystal interface. When a strong normal anchoring is imposed, the beads spontaneously form various structures depending on their area density and the nematic thick
Externí odkaz:
http://arxiv.org/abs/1007.0585
We calculate the stress tensor for a quasi-spherical vesicle and we thermally average it in order to obtain the actual, mechanical, surface tension $\tau$ of the vesicle. Both closed and poked vesicles are considered. We recover our results for $\tau
Externí odkaz:
http://arxiv.org/abs/1003.0807
Akademický článek
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Publikováno v:
Eur. Phys. J. B 50, 549 (2006)
Macroscopic Wigner islands present an interesting complementary approach to explore the properties of two-dimensional confined particles systems. In this work, we characterize theoretically and experimentally the interaction between their basic compo
Externí odkaz:
http://arxiv.org/abs/cond-mat/0602272
Recent structural findings have shown that dynamin, a cytosol protein playing a key-role in clathrin-mediated endocytosis, inserts partly within the lipid bilayer and tends to self-assemble around lipid tubules. Taking into account these observations
Externí odkaz:
http://arxiv.org/abs/cond-mat/0301257
Autor:
Fournier, J. -B.
It is shown that a wormlike chain, i.e., a filament with a fixed contour-length S and a bending elasticity kappa, attached to a frame of length L, can be described--at low resolutions--by the same type of elastic free-energy as a tense string. The co
Externí odkaz:
http://arxiv.org/abs/cond-mat/0201042
Autor:
Fournier, J. -B., Galatola, P.
We determine the capillary attraction and equilibrium configurations of particles trapped at a liquid-fluid interface due to the pinning of their contact-line. We calculate analytically the asymptotic interaction energy between two particles and, num
Externí odkaz:
http://arxiv.org/abs/cond-mat/0112322
Autor:
Fournier, J. -B., Galatola, P.
In a recent paper [Phys. Rev. E 61, 2831 (2000)], Borstnik, Stark and Zumer have studied the stability of a colloidal dispersion of micron-sized spherical particles in the isotropic phase of a nematogenic material. Close to the nematic transition, th
Externí odkaz:
http://arxiv.org/abs/cond-mat/0112291
We characterize vesicle adhesion onto homogeneous substrates by means of a perturbative expansion around the infinite adhesion limit, where curvature elasticity effects are absent. At first order in curvature elasticity, we determine analytically var
Externí odkaz:
http://arxiv.org/abs/cond-mat/0112247
We evaluate the effective Hamiltonian governing, at the optically resolved scale, the elastic properties of micro-manipulated membranes. We identify floppy, entropic-tense and stretched-tense regimes, representing different behaviors of the effective
Externí odkaz:
http://arxiv.org/abs/cond-mat/0103495