N-body study of anisotropic membrane inclusions: Membrane mediated interactions and ordered aggregation
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- Dommersnes, P. & Fournier, JB. Eur. Phys. J. B (1999) 12: 9. doi:10.1007/s100510050968
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We study the collective behavior of inclusions inducing local anisotropic curvatures in a flexible fluid membrane. The N-body interaction energy for general anisotropic inclusions is calculated explicitly, including multi-body interactions. Long-range attractive interactions between inclusions are found to be sufficiently strong to induce aggregation. Monte Carlo simulations show a transition from compact clusters to aggregation on lines or circles. These results might be relevant to proteins in biological membranes or colloidal particles bound to surfactant membranes.