Research output: Contribution to journal › Article

Original language | English |
---|---|

Journal | Journal of High Energy Physics |

Volume | 2017 |

Issue number | 10 |

Early online date | 3 Aug 2017 |

DOIs | |

Accepted/In press | 18 Jul 2017 |

E-pub ahead of print | 3 Aug 2017 |

Additional links |

42 pages, v2: Fixed TeX package problem

**The energy-momentum multiplet_DRUKKER_Accepted 18 Jul 17_GOLD VoR_CC-BY**1701.04323v2, 581 KB, application/pdf

Uploaded date:02 Aug 2017

Version:Final published version

Licence:CC BY

Defects in field theories break translation invariance, resulting in the non-conservation of the energy-momentum tensor in the directions normal to the defect. This violation is known as the displacement operator. We study 4d ${\cal N}=1$ theories with 3d defects preserving 3d ${\cal N}=1$ supersymmetry by analyzing the embedding of the 3d superspace in the 4d superspace. We use this to construct the energy-momentum multiplet of such defect field theories, which we call the defect multiplet and show how it incorporates the displacement operator. We also derive the defect multiplet by using a superspace Noether procedure.

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