Parameter selection in a Peyrard–Bishop–Dauxois model for DNA dynamics

In this Letter we study possible intervals for some parameters existing in the Peyrard–Bishop–Dauxois (PBD) model for the DNA dynamics. These parameters describe longitudinal and helicoidal interactions between nucleotides and a Morse potential approximating transverse interactions. We also estimate...

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Veröffentlicht in:	Physics letters. A 2009-07, Vol.373 (31), p.2739-2745
Hauptverfasser:	Zdravkovic, Slobodan, Sataric, Miljko V
Format:	Artikel
Sprache:	eng
Schlagworte:	Estimation of parameters Modulated solitonic wave Peyrard–Bishop–Dauxois model
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Zusammenfassung:	In this Letter we study possible intervals for some parameters existing in the Peyrard–Bishop–Dauxois (PBD) model for the DNA dynamics. These parameters describe longitudinal and helicoidal interactions between nucleotides and a Morse potential approximating transverse interactions. We also estimate a possible interval for a wave number of a carrier component of a modulated solitonic wave. Finally, we compare our statements with experimental value of solitonic velocity in DNA.
ISSN:	0375-9601 1873-2429
DOI:	10.1016/j.physleta.2009.05.032