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Granek R, Diamant H. Membrane undulations in a structured fluid: Universal dynamics at intermediate length and time scales. Eur Phys J E Soft Matter. 2018;41(1):1doi: 10.1140/epje/i2018-11607-x.
Granek, R., & Diamant, H. (2018). Membrane undulations in a structured fluid: Universal dynamics at intermediate length and time scales. The European physical journal. E, Soft matter, 41(1), 1. https://doi.org/10.1140/epje/i2018-11607-x
Granek, Rony, and Diamant, Haim. "Membrane undulations in a structured fluid: Universal dynamics at intermediate length and time scales." The European physical journal. E, Soft matter vol. 41,1 (2018): 1. doi: https://doi.org/10.1140/epje/i2018-11607-x
Granek R, Diamant H. Membrane undulations in a structured fluid: Universal dynamics at intermediate length and time scales. Eur Phys J E Soft Matter. 2018 Jan 05;41(1):1. doi: 10.1140/epje/i2018-11607-x. PMID: 29299703.
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Eur Phys J E Soft Matter. 2018 Jan 05;41(1):1. doi: 10.1140/epje/i2018-11607-x.

Membrane undulations in a structured fluid: Universal dynamics at intermediate length and time scales.

The European physical journal. E, Soft matter

Rony Granek, Haim Diamant

Affiliations

  1. The Stella and Avram Goren-Goldstein Department of Biotechnology Engineering, Ben-Gurion University of The Negev, 84105, Beer Sheva, Israel.
  2. Raymond & Beverly Sackler School of Chemistry, Tel Aviv University, 69978, Tel Aviv, Israel. [email protected].

PMID: 29299703 DOI: 10.1140/epje/i2018-11607-x

Abstract

The dynamics of membrane undulations inside a viscous solvent is governed by distinctive, anomalous, power laws. Inside a viscoelastic continuous medium these universal behaviors are modified by the specific bulk viscoelastic spectrum. Yet, in structured fluids the continuum limit is reached only beyond a characteristic correlation length. We study the crossover to this asymptotic bulk dynamics. The analysis relies on a recent generalization of the hydrodynamic interaction in structured fluids, which shows a slow spatial decay of the interaction toward the bulk limit. For membranes which are weakly coupled to the structured medium we find a wide crossover regime characterized by different, universal, dynamic power laws. We discuss various systems for which this behavior is relevant, and delineate the time regime over which it may be observed.

Keywords: Polymers: From Adsorption to Translocation - Topical Issue in Memoriam Loïc Auvray (1956-2016)

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