Low-temperature specific heat spectra considering nonextensive long-range correlated quasiperiodic DNA molecules

D.A. Moreira, E.L. Albuquerque, L.R. da Silva and D.S. Galvão

Physica A: Statistical Mechanics and its Applications, 2008, vol. 387, issue 22, 5477-5482

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: DNA molecule; Specific heat; Long-range correlations; Quasiperiodic structures (search for similar items in EconPapers)
Date: 2008
References: View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:387:y:2008:i:22:p:5477-5482

DOI: 10.1016/j.physa.2008.06.004

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