Couplings in pseudosupersymmetry

Matthias Klein
Phys. Rev. D 66, 055009 – Published 30 September 2002
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Abstract

We analyze theories in which a supersymmetric sector is coupled to a supersymmetry-breaking sector described by a nonlinear realization. We show how to consistently couple N=1 supersymmetric matter to nonsupersymmetric matter in such a way that all interactions are invariant under nonlinear supersymmetry transformations. We extend this formalism to couple N=2 supersymmetric matter to N=1 superfields that lack N=2 partners but transform in a nonlinear representation of the N=2 algebra. In particular, we show how to couple an N=2 vector to N=1 chiral fields in a consistent way. This has important applications to effective field theories describing the interactions of D-brane world-volume fields with bulk fields. We apply our method to study systems where different sectors break different halves of supersymmetry, which appear naturally in models of intersecting branes.

  • Received 14 June 2002

DOI:https://doi.org/10.1103/PhysRevD.66.055009

©2002 American Physical Society

Authors & Affiliations

Matthias Klein*

  • SLAC, Stanford University, Stanford, California 94309

  • *Email address: mklein@slac.stanford.edu

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Vol. 66, Iss. 5 — 1 September 2002

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