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Abstract: We report on the nature of the thermal denaturation transition of homogeneousDNA as determined from a renormalisation group analysis of thePeyrard-Bishop-Dauxois model. Our approach is based on an analogy with thephenomenon of critical wetting that goes further than previous qualitativecomparisons, and shows that the transition is continuous for the averagebase-pair separation. However, since the range of universal critical behaviourappears to be very narrow, numerically observed denaturation transitions maylook first-order, as it has been reported in the literature.



Author: Jose Manuel Romero-Enrique, Francisco de los Santos, Miguel A. Munoz

Source: https://arxiv.org/







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