Open Strings

  title={Open Strings},
  author={C. Angelantonj and A. Sagnotti},
  • C. Angelantonj, A. Sagnotti
  • Published 2002
  • Physics
  • This review is devoted to open strings, and in particular to the often surprising features of their spectra. It follows and summarizes developments that took place mainly at the University of Rome “Tor Vergata” over the last decade, and centred on world-sheet aspects of the constructions now commonly referred to as “orientifolds”. Our presentation aims to bridge the gap between the world-sheet analysis, that first exhibited many of the novel features of these systems, and their geometric… CONTINUE READING
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