Volume 99, Number 3, August 2012
|Number of page(s)||4|
|Published online||08 August 2012|
DNA denaturation and wetting in the presence of disorder
1 Ecole Polytechnique Federale de Lausanne, SB-ITP-LPPC - CH-1015 Lausanne, Switzerland
2 CSDC - Dipartimento di Fisica e Astronomia, Università di Firenze and INFN Sezione di Firenze via G. Sansone 1, I-50019 Sesto Fiorentino, Italy, EU
Received: 28 May 2012
Accepted: 6 July 2012
We present a precise equivalence of the Lifson-Poland-Scheraga model with wetting models. Making use of a representation of the former model in terms of random matrices, we obtain, in the limit of weak disorder, a mean-field approximation, that shows a change of the critical behavior due to disorder.
PACS: 05.70.Fh – Phase transitions: general studies / 05.40.Fb – Random walks and Levy flights / 87.15.-v – Biomolecules: structure and physical properties
© EPLA, 2012
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