Topologically Stable BPS and Non-BPS States in Supersymmetric Baby-Skyrme Model
arXiv:2310.10484 · doi:10.1016/j.physletb.2025.139447
Abstract
The supersymmetric baby-Skyrme model is an interesting field theoretical model, and its BPS states have been studied using the usual methods. Here, we propose a novel method to rigorously obtain both topologically stable BPS and non-BPS states in the baby Skyrme Model. It is observed that the BPS states found using this novel method coincide with the BPS states found using the usual methods. However, we are also able to obtain the non-BPS states, which break all of the supersymmetry of the theory. Furthermore, there exists a one-parameter family of non-BPS solutions that are connected to the half-BPS solutions, where half of the supersymmetry is restored when the parameter is set to zero. The proposed method is general, and we expect that it might be useful for investigating the topologically stable non-BPS states of other theories. Thus, this method could possibly have wide applications for the study of non-BPS states in supersymmetric theories.
arXiv comment14 pages, 1 figures, abstract and title changed
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