Gauge Symmetries and Amplitudes in N=2 Strings

Details Gauge Symmetries and Amplitudes in N=2 Strings Gauge Symmetries and Amplitudes in N=2 Strings

1992-04-11

arxiv.org/abs/hep-th/9204027v1

Nucl.Phys. B395 (1993) 129-143

Physics

High Energy Physics

High Energy Physics - Theory

16 pages

Scientific paper

10.1016/0550-3213(93)90211-7

Picture changed operators are discussed in $N=2$ strings with space-time signature $(2,2)$. A gauge symmetry algebra is derived in a background of torus space-time $T^{2,2}$ and its simple representation on the picture changed operators is given. Simple Ward identities associated with the gauge algebra and their consequences for three and four point amplitudes of arbitrary loops are also discussed.

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