Forward and backward propagating breathers in a DNA model with dipole-dipole long-range interactions.
作者： Carlos Lawrence Gninzanlong , Frank Thomas Ndjomatchoua , Clément Tchawoua
DOI: 10.1103/PHYSREVE.102.052212
关键词:
摘要: The present study explores the existence and orbital stability of discrete bright breathers through Joyeux-Buyukdagli DNA model incorporating long-range interactions (LRIs). nonlinear Schr\"odinger equation is derived from a semidiscrete approximation subsequently used to construct targeted initial condition for numerical computations breather. It appears that interplay between carrier wave frequency LRI induces stationary forward or backward propagating waves. For critical values LRI, waves can occur out center/edge first Brillouin zone. predicted differ in their robustness mobility specific carrier-wave LRI. In all cases, semianalytical predictions agree with simulations.
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