Journal Article Space-time supersymmetry in WZW-like open superstring field theory

Kunitomo, Hiroshi

2017 ( 4 ) 2017-04-12 , Oxford University Press
We investigate space-time supersymmetry in theWZW-like open superstring field theory, whose complete action was recently constructed. Starting from a natural space-time supersymmetry transformation at the linearized level, we construct a nonlinear transformation so as to keep the complete action invariant. Then we show that the transformation satisfies the supersymmetry algebra up to an extra transformation, unphysical on the asymptotic string fields. This guarantees that the constructed transformation in fact acts as space-time supersymmetry on the physical S-matrix.

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