Self-Dual N=8 Supergravity as Closed N=2(4) Strings

Details Self-Dual N=8 Supergravity as Closed N=2(4) Strings Self-Dual N=8 Supergravity as Closed N=2(4) Strings

1992-07-13

arxiv.org/abs/hep-th/9207043v2

Phys.Rev.D47:2504-2511,1993

Physics

High Energy Physics

High Energy Physics - Theory

17 pg., (uuencoded dvi file; revision: forgot 1 stupid term in the last equation) ITP-SB-92-31

Scientific paper

10.1103/PhysRevD.47.2504

As open N=2 or 4 strings describe self-dual N=4 super Yang-Mills in 2+2 dimensions, the corresponding closed (heterotic) strings describe self-dual ungauged (gauged) N=8 supergravity. These theories are conveniently formulated in a chiral superspace with general supercoordinate and local OSp(8|2) gauge invariances. The super-light-cone and covariant-component actions are analyzed. Because only half the Lorentz group is gauged, the gravity field equation is just the vanishing of the torsion.

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