Quenched disorder in tethered membranes

D. C. Morse, T. C. Lubensky, G. S. Grest

Research output: Contribution to journalArticle

37 Scopus citations

Abstract

We study the effect of quenched disorder on the behavior of tethered membranes using both analytic and numerical methods. Disorder is introduced via a random spontaneous curvature and a random preferred metric. The presence of impurity-induced spontaneous curvature is found to stiffen the long-wavelength bending rigidity, stabilizing a new disordered flat phase at temperature T=0. This new phase, like that of pure membranes at T>0, is characterized by anomalous statistical and elastic properties. Since its origin is purely mechanical, it can, in principle, be constructed from an appropriate array of macroscopic springs.

Original languageEnglish (US)
Pages (from-to)R2151-R2154
JournalPhysical Review A
Volume45
Issue number4
DOIs
StatePublished - Jan 1 1992

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