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Nonlinear stability of oscillatory wave fronts in chains of coupled oscillators



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Carpio, Ana (2004) Nonlinear stability of oscillatory wave fronts in chains of coupled oscillators. Physical Review E, 69 (4). ISSN 1539-3755

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URL Oficial: http://link.aps.org/doi/10.1103/PhysRevE.69.046601

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We present a stability theory for kink propagation in chains of coupled oscillators and a different algorithm for the numerical study of kink dynamics. The numerical solutions are computed using an equivalent integral equation instead of a system of differential equations. This avoids uncertainty about the impact of artificial boundary conditions and discretization in time. Stability results also follow from the integral version. Stable kinks have a monotone leading edge and move with a velocity larger than a critical value which depends on the damping strength.

Tipo de documento:Artículo
Palabras clave:Semiconductor Superlattices; Harmonic Liquid; Discrete; Propagation; Dynamics; Equilibrium; Failure; Systems; Pulses
Materias:Ciencias > Física > Física-Modelos matemáticos
Ciencias > Matemáticas > Ecuaciones diferenciales
Código ID:14989
Depositado:25 Abr 2012 09:07
Última Modificación:28 Oct 2016 08:26

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