Statistical mechanical theory of DNA denaturation.
Thermodynamic quantities of a coupled sine-lattice chain, which is a simplified model of DNA (rotator model) are calculated for both in low and high temperature regions. In the high temperature region those quantities are expressed as a series expansion in terms of modified Bessel functions of an integer order. The results of numerical calculations are presented in connection with DNA denaturation (melting).
School of Engineering, Gunma University, Kiryu, 376-8515 Japan.
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Homma
DNA; denaturation; rotator model; sine-lattice