RT Journal Article
T1 Oscillatory wave fronts in chains of coupled nonlinear oscillators
A1 Carpio Rodríguez, Ana María
A1 Bonilla, Luis L.
AB Wave front pinning and propagation in damped chains of coupled oscillators are studied. There are two important thresholds for an applied constant stress F: for \F\<F(cd) (dynamic Peierls stress), wave fronts fail to propagate, for F(cd)<\F\<F(cs) stable static and moving wave fronts coexist, and for \F\>F(cs) (static Peierls stress) there are only stable moving wave fronts. For piecewise linear models, extending an exact method of Atkinson and Cabrera's to chains with damped dynamics corroborates this description. For smooth nonlinearities, an approximate analytical description is found by means of the active point theory. Generically for small or zero damping, stable wave front profiles are nonmonotone and become wavy (oscillatory) in one of their tails.
PB American Physical Society
SN 1539-3755
YR 2003
FD 2003
LK https://hdl.handle.net/20.500.14352/57207
UL https://hdl.handle.net/20.500.14352/57207
LA eng
NO Carpio Rodríguez, A. M. y Bonilla, L. L. «Oscillatory Wave Fronts in Chains of Coupled Nonlinear Oscillators». Physical Review E, vol. 67, n.o 5, mayo de 2003, p. 056621. DOI.org (Crossref), https://doi.org/10.1103/PhysRevE.67.056621.
DS Docta Complutense
RD 21 abr 2025