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Stretching an heteropolymer | D.Bensimon
; D.Dohmi
; M.Mezard
; | Date: |
6 Nov 1997 | Subject: | Statistical Mechanics | cond-mat.stat-mech | Abstract: | We study the influence of some quenched disorder in the sequence of monomers on the entropic elasticity of long polymeric chains. Starting from the Kratky-Porod model, we show numerically that some randomness in the favoured angles between successive segments induces a change in the elongation versus force characteristics, and this change can be well described by a simple renormalisation of the elastic constant. The effective coupling constant is computed by an analytic study of the low force regime. | Source: | arXiv, cond-mat/9711051 | Services: | Forum | Review | PDF | Favorites |
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