44 citations · 78 across the 3 of their papers we have counts for
3 papers
nlin.PS2005
Classical and quantum nonlinear localized excitations in discrete systems
F. R. Romero, J. F. R. Archilla, F. Palmero +4
Discrete breathers, or intrinsic localized modes, are spatially localized, time--periodic, nonlinear excitations that can exist and propagate in systems of coupled dynamical units.…
nlin.PS2003★ 34 cited
Interaction of moving discrete breathers with vacancies
J. Cuevas, J. F. R. Archilla, B. Sánchez-Rey +1
In this paper a Frenkel--Kontorova model with a nonlinear interaction potential is used to describe a vacancy defect in a crystal. According to recent numerical results [Cuevas et…
nlin.PS2003★ 44 cited
Bright and dark breathers in Fermi-Pasta-Ulam lattices
B. Sánchez-Rey, G. James, J. Cuevas +1
In this paper we study the existence and linear stability of bright and dark breathers in one-dimensional FPU lattices. On the one hand, we test the range of validity of a recent b…