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arxiv: hep-th/0209027 · v2 · submitted 2002-09-03 · ✦ hep-th · cond-mat.soft· hep-ph

Deformed Defects

D. Bazeia , L. Losano , J.M.C. Malbouisson This is my paper
classification ✦ hep-th cond-mat.softhep-ph
keywords defectsdefectdeformedfieldgeneralmethodprocedurescalar
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We introduce a method to obtain deformed defects starting from a given scalar field theory which possesses defect solutions. The procedure allows the construction of infinitely many new theories that support defect solutions, analytically expressed in terms of the defects of the original theory. The method is general, valid for both topological and non-topological defects, and we show how it extends to quantum mechanics, and how it works when the scalar field couples to fermions. We illustrate the general procedure with several examples, which support kink-like or lump-like defects.

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  1. Nonlinear Dynamics of Kink Configurations: From Small to Large Kink Collisions

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    Numerical simulations of kink scattering in a λ-parameterized potential show non-monotonic critical velocities for small kinks, reduced resonance at large λ, and preferential production of large kinks from small-kink ...