Effective Area-Elasticity and Tension of Micro-manipulated Membranes
Soft Condensed Matter
2009-11-07 v1 Statistical Mechanics
Abstract
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 area-elasticity of the membrane. The corresponding effective tension depends on the microscopic parameters (total area, bending rigidity) and on the optically visible area, which is controlled by the imposed external constraints. We successfully compare our predictions with recent data on micropipette experiments.
Keywords
Cite
@article{arxiv.cond-mat/0103495,
title = {Effective Area-Elasticity and Tension of Micro-manipulated Membranes},
author = {J. -B. Fournier and A. Ajdari and L. Peliti},
journal= {arXiv preprint arXiv:cond-mat/0103495},
year = {2009}
}
Comments
To be published in Phys. Rev. Lett