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Originalpublikation
Lechtenfeld, O.; Popov, A.D.: Supertwistors and cubic string field theory for open N=2 strings. In: Physics Letters B 598 (2004), Nr. 1-2, S. 113-120. DOI: https://doi.org/10.1016/j.physletb.2004.08.008
The known Lorentz invariant string field theory for open N = 2 strings is combined with a generalization of the twistor description of anti-self-dual (super-)Yang-Mills theories. We introduce a Chem-Simons-type Lagrangian containing twistor variables and derive the Berkovits-Siegel covariant string field equations of motion via the twistor correspondence. Both the purely bosonic and the maximally space-time supersymmetric cases are considered