Causo, Maria Serena; Coluzzi, Barbara; Grassberger, Peter - In: Physica A: Statistical Mechanics and its Applications 314 (2002) 1, pp. 607-612
We present a simple model of DNA in which many important aspects of the real system are disregarded, while few relevant interactions which drive the system towards a first-order phase transition, as experimentally observed, are taken into account.