Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
840908 | Nonlinear Analysis: Theory, Methods & Applications | 2011 | 11 Pages |
Abstract
We establish stability and nonstability results for a domain-wall brane model arising in classical field theory. In particular, we show the nonexistence of nontrivial bounded solutions on the real line for a coupled pair of parameter dependent linear second order ordinary differential equations for an open set of those parameters. Moreover, we establish the existence of nontrivial solutions for a hypersurface of the parameters. We use Fredholm theory for compact linear operators combined with the Lyapunov–Schmidt method to prove our results. The model is stable, respectively unstable, for those parameters for which the coupled system does not, respectively does, have nontrivial solutions.
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Authors
Jayne Thompson, Bevan Thompson, Michal Fečkan,