Scattering of Noncommutative Strings: A Note on Signature Change at Planck Scale

Details Scattering of Noncommutative Strings: A Note on Signature Change at Planck Scale Scattering of Noncommutative Strings: A Note on Signature Change at Planck Scale

2005-01-10

arxiv.org/abs/hep-th/0501067v1

Int.J.Mod.Phys. A21 (2006) 2391-2403

Physics

High Energy Physics

High Energy Physics - Theory

13 pages, 2 figures

Scientific paper

10.1142/S0217751X06028989

We compute the S-matrix, for the scattering of two string states, on a
noncommutative D3-brane in a path integral formalism. Our analysis attempts to
resolve the issue of ``imaginary string'', originally raised by `t Hooft in a
point-particle scattering at Planck energy, by incorporating a notion of
signature change on an emerging semi-classical D-string in the theory.

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