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2009, 2009(Special): 109-117. doi: 10.3934/proc.2009.2009.109

Multipulse states in the Swift-Hohenberg equation

J. Burke 1, and  Edgar Knobloch 2,

1. 

Center for BioDynamics, Boston University, Boston, MA 02215, United States
2. 

Department of Physics, University of California, Berkeley, CA 94720

Received  September 2008 Revised  March 2009 Published  September 2009

The one-dimensional Swift-Hohenberg equation is known to exhibit a variety of localized states within the so-called pinning or snaking region. Single-pulse states consist of single localized structures within the spatial domain, and are organized into a snakes-and-ladders structure within the pinning region. Multipulse states consist of two or more localized structures within the domain, but their detailed organization within the pinning region is not known. In this paper we consider multipulse solutions of the one-dimensional Swift-Hohenberg equation on large but periodic domains, and show that while these are also confined to the pinning region the details of their organization depend on whether the pulses are equidistant or not. For large domains the required branch-following becomes delicate and may lead to erroneous results unless performed with great care.
Keywords: Localized states, Swift-Hohenberg equation, homoclinic snaking.
Mathematics Subject Classification: Primary: 70K44, 37G15; Secondary: 37L15.
Citation: J. Burke, Edgar Knobloch. Multipulse states in the Swift-Hohenberg equation. Conference Publications, 2009, 2009 (Special) : 109-117. doi: 10.3934/proc.2009.2009.109
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