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The Tachyon potential in open Neveu-Schwarz string field theory

Jan, 2000
4 pages
Published in:
  • JHEP 04 (2000) 022
e-Print:
DOI:
Report number:
  • IFT-P-006-2000
View in:
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Abstract:
A classical action for open superstring field theory has been proposed which does not suffer from contact term problems. After generalizing this action to include the non-GSO projected states of the Neveu-Schwarz string, the pure tachyon contribution to the tachyon potential is explicitly computed. The potential has a minimum of V=−132g2V = -{1\over{32 g^2}} which is 60% of the predicted exact minimum of V=−12π2g2V=-{1\over{2\pi^2 g^2}} from D-brane arguments.
Note:
  • Corrected typos and brane-antibrane mass. Pure tachyon contribution is 60% of predicted exact result. Added references Report-no: IFT-P.006/2000
  • field theory: string
  • string: open
  • supersymmetry
  • tachyon: potential