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

Abstract

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.

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

References in corpus (3)

• The N=2(4) string is self-dual N=4 Yang-Mills
• A cubic action for self-dual Yang-Mills
• The N=4 string is the same as the N=2 string

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