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Open Access item Nonlocality-Induced Front-Interaction Enhancement

Authors:Gelens, Lendert
Gomila, Damià
Van der Sande, Guy
Matías, Manuel A.
Colet, Pere
Issue Date:2010
Publisher:Physical Review Letters
Citation:American Physical Society (APS) 104: 154151 (1-4) (2010)
Abstract:We demonstrate that nonlocal coupling strongly influences the dynamics of fronts connecting two equivalent states. In two prototype models we observe a large amplification in the interaction strength between two opposite fronts increasing front velocities several orders of magnitude. By analyzing the spatial dynamics we prove that way beyond quantitative effects, nonlocal terms can also change the overall qualitative picture by inducing oscillations in the front profile. This leads to a mechanism for the formation of localized structures not present for local interactions. Finally, nonlocal coupling can induce a steep broadening of localized structures, eventually annihilating them.
Description:PACS numbers: 05.45.Yv, 05.65.+b, 42.65.Tg, 89.75.-k
URI:http://hdl.handle.net/10261/25743
ISSN:0031-9007
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Appears in Collections:(IFISC) Artículos

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