Simulated bilayer from floppy to hole and topological fluctuations

Details Simulated bilayer from floppy to hole and topological fluctuations Simulated bilayer from floppy to hole and topological fluctuations

2012-02-24

arxiv.org/abs/1202.5441v1

Physics

Condensed Matter

Soft Condensed Matter

to be submitted to J.Chem.Phys. 14 Figs. 14/02/2012

Scientific paper

Simulations of a bilayer in a liquid solvent in the full range of areas from the floppy to the extended state also show the hole/tunnel spontaneous formation. Whether this change of topology is preceded by topological fluctuations of the Gaussian curvature $K(x,y)$ is an open question. Probability distributions of Gaussian curvature are transformed into those of the ordered inverse radii; these new shapes show a gradual change along the isotherm. The model of Max-Planck group with 5 beads is used, amended to represent amphiphiles in the spirit of the "coarse-grained" or "Martini" force field.

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