M-branes and N=2 Strings

Details M-branes and N=2 Strings M-branes and N=2 Strings

1996-12-10

arxiv.org/abs/hep-th/9612102v2

Class.Quant.Grav. 14 (1997) 2483-2516

Physics

High Energy Physics

High Energy Physics - Theory

49 pages, harvmac; 1 figure (uses epsf.tex). References added

Scientific paper

10.1088/0264-9381/14/9/008

The string field theory of N=(2,1) heterotic strings describes a set of self-dual Yang-Mills fields coupled to self-dual gravity in 2+2 dimensions. We show that the exact classical action for this field theory is a certain complexification of the Green-Schwarz/Dirac-Born-Infeld string action, closely related to the four dimensional Wess-Zumino action describing self-dual gauge fields. This action describes the world-volume of a 2+2d ``M-brane'', which gives rise upon different null reductions to critical strings and membranes. We discuss a number of further properties of N=2 heterotic strings, such as the geometry of null reduction, general features of a covariant formulation, and possible relations to BPS and GKM algebras.

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