Uniform Twistor-Like Formulation of Massive and Massless Superparticles with Tensorial Central Charges

Details Uniform Twistor-Like Formulation of Massive and Massless Superparticles with Tensorial Central Charges Uniform Twistor-Like Formulation of Massive and Massless Superparticles with Tensorial Central Charges

2001-04-20

arxiv.org/abs/hep-th/0104178v1

Nucl.Phys.Proc.Suppl. 102 (2001) 233-239

Physics

High Energy Physics

High Energy Physics - Theory

LaTex2e file, espcrc2.sty, 7 pages. Based on talk given at the D. V. Volkov Memorial Conference "Supersymmetry and Quantum Fie

Scientific paper

10.1016/S0920-5632(01)01561-4

We construct the manifestly Lorentz-invariant twistorial formulation of N=1 D=4 superparticle with tensorial central charges which describes massive and massless cases in a uniform manner. The tensorial central charges are realized in terms of even spinor variables and central charge coordinates. The full analysis of the number of conserved supersymmetries has been carried out. In the massive case the superparticle preserves 1/4 or 1/2 of target-space supersymmetries whereas the massless superparticle preserves two or three supersymmetries.

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