Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2002-12-05
Physics
Condensed Matter
Soft Condensed Matter
15 pages, no figures
Scientific paper
Consider a closed lipid membrane (vesicle), modeled as a two-dimensional surface, described by a geometrical hamiltonian that depends on its extrinsic curvature. The vanishing of its first variation determines the equilibrium configurations for the system. In this paper, we examine the second variation of the hamiltonian about any given equilibrium, using an explicitly surface covariant geometrical approach. We identify the operator which determines the stability of equilibrium configurations.
Capovilla Riccardo
Guven Jemal
Santiago Jose Antonio
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