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Metamorphoses of Schild string

Oct, 1998
8 pages
Published in:
  • Mod.Phys.Lett.A 14 (1999) 1123-1131
e-Print:
DOI:
Report number:
  • OCHA-PP-126
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Abstract:
We attempt to construct new superstring actions with a DD-plet of Majorana fermions ψAB\psi^{\cal B}_A, where B{\cal B} is the DD dimensional space-time index and AA is the two dimensional spinor index, by deforming the Schild action. As a result, we propose three kinds of actions: the first is invariant under N=1 (the world-sheet) supersymmetry transformation and the area-preserving diffeomorphism. The second contains the Yukawa type interaction. The last possesses some non-locality because of bilinear terms of ψAB\psi^{\cal B}_A. The reasons why completing a Schild type superstring action with ψAB\psi^{\cal B}_A is difficult are finally discussed.
  • string model: deformation
  • supersymmetry: superspace
  • dimension: 2