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Twistorlike D=10 superparticle action with manifest N=8 world-line supersymmetry

A. Galperin*

E. Sokatchev†

  • Department of Physics and Astronomy, The Johns Hopkins University, Baltimore, Maryland 21218

  • Physikalisches Institut, Universität Bonn, Nussallee 12, D-5300 Bonn 1, Germany

  • *Permanent address: Laboratory of Theoretical Physics, Joint Institute for Nuclear Research, Dubna, Russia.
  • †Permanent address: Institute for Nuclear Research and Nuclear Energy, Sofia, Bulgaria.
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Phys. Rev. D 46, 714 – Published 15 July, 1992

DOI: https://doi.org/10.1103/PhysRevD.46.714

Abstract

We propose a new formulation of the D=10 Brink-Schwarz superparticle which is manifestly invariant under both the target-space super-Poincaré group and the world-line local N=8 super-conformal group. This twistorlike construction naturally involves the sphere S8 as a coset space of the D=10 Lorentz group. The action contains only a finite set of auxiliary fields, but they appear in unusual trilinear combinations. The origin of the on-shell D=10 fermionic κ symmetry of the standard Brink-Schwarz formulation is explained. The coupling to a D=10 super-Maxwell background requires a new mechanism, in which the electric charge appears only on shell as an integration constant.

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Outline

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Phys. Rev. D 46, 714– Published 15 July, 1992
  • Received 19 March 1992

© 1992 American Physical Society

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