Self-dual solitons in a $CPT$-odd and Lorentz-violating gauged $O(3)$ sigma model

@article{Casana2016SelfdualSI,
  title={Self-dual solitons in a \$CPT\$-odd and Lorentz-violating gauged \$O(3)\$ sigma model},
  author={Rodolfo Casana and Claudio F. Farias and M. M. Jr. Ferreira and G. Lazar},
  journal={Physical Review D},
  year={2016},
  volume={94},
  pages={065036}
}
We have performed a complete study of self-dual configurations in a $CPT$-odd and Lorentz-violating gauged $O(3)$ nonlinear sigma model. We have consistently implemented the Bogomol'nyi-Prasad-Sommerfield (BPS) formalism and obtained the correspondent differential first-order equations describing electrically charged self-dual configurations. The total energy and magnetic flux of the vortices, besides being proportional to the winding number, also depend explicitly on the Lorentz-violating… 
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