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Low-temperature specific heat spectra considering nonextensive long-range correlated quasiperiodic DNA molecules
Authors:DA Moreira  LR da Silva
Institution:a Departamento de Física, Universidade Federal do Rio Grande do Norte, 59072-970 Natal-RN, Brazil
b Instituto de de Física, Universidade Estadual de Campinas, 13083-970 Campinas-SP, Brazil
Abstract:We consider the low-temperature specific heat spectra of long-range correlated quasiperiodic DNA molecules using a q-gaussian distribution, and compare them with those considering the Boltzmann-Gibbs distribution. The energy spectra are calculated using the one-dimensional Schrödinger equation in a tight-binding approximation with the on-site energy exhibiting long-range disorder and non-random hopping amplitudes. We focus our attention at the low temperature region, where the specific heat spectra presents a logarithmic-periodic oscillations as a function of the temperature T around a mean value given by a characteristic dimension of the energy spectrum.
Keywords:82  60  Qr  87  14  Gg  87  15  Aa  89  75  Da
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