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Geometrically constrained multi-kink configurations in generalized impurity-doped field theories

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  • Bazeia, D.
  • Liao, M.A.
  • Marques, M.A.

Abstract

This short communication investigates impurity coupling in generalized field theories where scalar coupling is introduced directly at the level of the kinetic and gradient contributions of the energy. We show that the fundamental aspects of the original theory, which has been previously investigated in the impurity-free setting, can be extended to the inhomogeneous scenario. In particular, an interpretation in terms of geometrically-constrained effective one-field theories with impurities is possible in the separable case. We show that BPS multi-kink configurations are possible in the model, as well as in the usual half-BPS scalar theories.

Suggested Citation

  • Bazeia, D. & Liao, M.A. & Marques, M.A., 2026. "Geometrically constrained multi-kink configurations in generalized impurity-doped field theories," Chaos, Solitons & Fractals, Elsevier, vol. 210(P1).
    • Handle: RePEc:eee:chsofr:v:210:y:2026:i:p1:s0960077926007198
    DOI: 10.1016/j.chaos.2026.118578
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