The N=4 string is the same as the N=2 string

Details The N=4 string is the same as the N=2 string The N=4 string is the same as the N=2 string

1992-04-02

arxiv.org/abs/hep-th/9204005v2

Phys.Rev.Lett. 69 (1992) 1493-1495

Physics

High Energy Physics

High Energy Physics - Theory

7 pg (uuencoded dvi file; otherwise same as original)

Scientific paper

10.1103/PhysRevLett.69.1493

We redo the quantization of the N=4 string, taking into account the reducibility of the constraints. The result is equivalent to the N=2 string, with critical dimension D=4 and signature (++--). The N=4 formulation has several advantages: the sigma-model field equations are implied classically, rather than by quantum/beta-function calculations; self-duality/chirality is one of the super-Virasoro constraints; SO(2,2) covariance is manifest. This reveals that the theory includes fermions, and is apparently spacetime supersymmetric.

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