Partial N=2 supersymmetry breaking and deformed hypermultiplets

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Authors

FARAKOS Fotis KOČÍ Pavel TARTAGLINO-MAZZUCCHELLI Gabriele VON UNGE Rikard

Year of publication 2019
Type Article in Periodical
Magazine / Source Journal of High Energy Physics
MU Faculty or unit

Faculty of Science

Citation
Web Full Text
Doi http://dx.doi.org/10.1007/JHEP03(2019)037
Keywords Extended Supersymmetry; Superspaces; Supersymmetry Breaking
Description We study partial supersymmetry breaking from N = 2 to N = 1 by adding non-linear terms to the N = 2 supersymmetry transformations. By exploiting the necessary existence of a deformed supersymmetry algebra for partial breaking to occur, we systematically use N = 2 projective superspace with central charges to provide a streamlined setup. For deformed O(2) and O(4) hypermultiplets, besides reproducing known results, we describe new models exhibiting partial supersymmetry breaking with and without higher-derivative interactions.
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