The Self-Dual Critical N=2 String

Details The Self-Dual Critical N=2 String The Self-Dual Critical N=2 String

1996-07-13

arxiv.org/abs/hep-th/9607106v1

Physics

High Energy Physics

High Energy Physics - Theory

Talk at Alushta Conference, Crimea, Ukraine, May 1996; 7 pages LaTeX

Scientific paper

I review the covariant quantization of the closed fermionic string with (2,2) extended world-sheet supersymmetry on R^{2,2}. Results on n-point scattering amplitudes are presented, for tree- and one-loop world-sheets with arbitrary Maxwell instanton number. I elaborate the connection between Maxwell moduli, spectral flow, and instantons. It is argued that the latter serve to extend the Lorentz symmetry from U(1,1) to SO(2,2) by undoing the choice of spacetime complex structure.

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