High-energy zero-norm states and symmetries of string theory.

@article{Chan2006HighenergyZS,
  title={High-energy zero-norm states and symmetries of string theory.},
  author={Chuan-Tsung Chan and P F Ho and J. Lee and Shunsuke Teraguchi and Yi Yang},
  journal={Physical review letters},
  year={2006},
  volume={96 17},
  pages={171601}
}
High-energy limit of zero-norm states in the old covariant first quantized spectrum of the 26D open bosonic string, together with the assumption of a smooth behavior of string theory in this limit, are used to derive infinitely many linear relations among the leading high-energy, fixed-angle behavior of four-point functions of different string states. As a result, ratios among all high-energy scattering amplitudes of four arbitrary string states can be calculated algebraically and the leading… CONTINUE READING

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