Reduced persistence length and fluctuation-induced interactions of directed 
semiflexible polymers on fluctuating surfaces

Golestanian, R.

doi:10.1209/epl/i1996-00269-3

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Reduced persistence length and fluctuation-induced interactions of directed semiflexible polymers on fluctuating surfaces

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Golestanian, R.
Department of Living Matter Physics, Max Planck Institute for Dynamics and Self-Organization, Max Planck Society;

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Citation

Golestanian, R. (1996). Reduced persistence length and fluctuation-induced interactions of directed semiflexible polymers on fluctuating surfaces. Europhysics Letters, 36(7), 557-561. doi:10.1209/epl/i1996-00269-3.

Cite as: https://hdl.handle.net/21.11116/0000-0001-A77D-7

Abstract

We consider directed semiflexible polymers embedded in a fluctuating surface which is governed by either surface tension or bending rigidity. The attractive interactions induced by the fluctuations of the surface reduce the rigidity of the polymers. In particular, it is shown that for arbitrarily stiff parallel polymers, there is a characteristic separation below which they prefer to bend rather than stay linear. The out-of-plane fluctuations of the polymer screen out the long-range fluctuation-induced forces, resulting in only a short-ranged effective attraction.