Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1996-02-11
Nucl.Phys. B477 (1996) 652-674
Physics
High Energy Physics
High Energy Physics - Theory
26+2 pages, harvmac; minor errors corrected, references altered
Scientific paper
10.1016/0550-3213(96)00302-1
The target space theory of the N=(2,1) heterotic string may be interpreted as a theory of gravity coupled to matter in either $1+1$ or $2+1$ dimensions. Among the target space theories in $1+1$ dimensions are the bosonic, type II, and heterotic string world sheet field theories in a physical gauge. The $2+1$ dimensional version describes a consistent quantum theory of supermembranes in $10+1$ dimensions. The unifying framework for all of these vacua is a theory of $2+2$ dimensional self-dual geometries embedded in $10+2$ dimensions. There are also indications that the N=(2,1) string describes the strong coupling dynamics of compactifications of critical string theories to two dimensions, and may lead to insights about the fundamental degrees of freedom of the theory.
Kutasov David
Martinec Emil
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