2001
DOI: 10.1103/physreve.63.066603
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Discrete breathers in dissipative lattices

Abstract: We study the properties of discrete breathers, also known as intrinsic localized modes, in the one-dimensional Frenkel-Kontorova lattice of oscillators subject to damping and external force. The system is studied in the whole range of values of the coupling parameter, from C=0 (uncoupled limit) up to values close to the continuum limit (forced and damped sine-Gordon model). As this parameter is varied, the existence of different bifurcations is investigated numerically. Using Floquet spectral analysis, we give… Show more

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Cited by 76 publications
(107 citation statements)
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“…Crucially, our rigorous quantitative results establish prerequisites for the existence of discrete breathers in general damped and driven nonlinear lattices beyond the validity of the continuation process starting from the anti-continuum limit. 8,[18][19][20][21] Our results are generic as they hold not only for any coupling strength but also for any on-site potential, any type of attractive interaction, any degree of attractive interaction, general driving fields and arbitrary dimension of the system. We study the dynamics of general driven and damped nonlinear lattice systems of dimension d given by the following system…”
mentioning
confidence: 86%
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“…Crucially, our rigorous quantitative results establish prerequisites for the existence of discrete breathers in general damped and driven nonlinear lattices beyond the validity of the continuation process starting from the anti-continuum limit. 8,[18][19][20][21] Our results are generic as they hold not only for any coupling strength but also for any on-site potential, any type of attractive interaction, any degree of attractive interaction, general driving fields and arbitrary dimension of the system. We study the dynamics of general driven and damped nonlinear lattice systems of dimension d given by the following system…”
mentioning
confidence: 86%
“…Compared to their Hamiltonian (conservative) counterparts breathers in dissipative and driven lattice systems do not occur in families of localised solutions as they are provided by discrete sets of attractors for appropriate initial conditions contained in the corresponding basin(s) of attraction. [18][19][20][21][22][23][24][25] The aim of this work is to establish quantitative conditions in parameter space for the existence respectively non-existence of discrete breathers in general damped and driven anharmonic lattice systems. To this end we show that there exist parameter ranges such that for any launched localised state the difference between the maximal amplitude and the minimal amplitude of the oscillators decays exponentially fast.…”
mentioning
confidence: 99%
“…In Josephson junction systems, this is actually even implemented experimentally. Let us mention the basic new features one is faced with when studying dissipative breathers and their properties [22,33,34].…”
Section: Dissipative Discrete Breathersmentioning
confidence: 99%
“…2.2, we may introduce a (quasi-symplectic) matrix R which maps the phase space of the perturbations onto itself by integration of (36) over one breather period [34]. By using the transformation…”
Section: Perturbing Dissipative Breathersmentioning
confidence: 99%
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