Doubly Supersymmetric Null Strings and String Tension Generation

Abstract

We propose a twistor--like formulation of N=1, D=3,4,6 and 10 null superstrings. The model possesses N=1 target space supersymmetry and n=D-2 local worldsheet supersymmetry, the latter replaces the kappa-symmetry of the conventional approach to the strings. Adding a Wess--Zumino term to a null superstring action we observe a string tension generation mechanism: the induced worldsheet metric becomes non-degenerate and the resulting model turns out to be classically equivalent to the heterotic string.

10 pages, LaTeX, DFPD/93/TH/48

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• Various Faces of Type IIA Supergravity
• Multiple M0-brane system in an arbitrary eleven dimensional supergravity background
• On the Chiral Fermions in the Twistor--Like Formulation of D=10 Heterotic String
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• BPS preons and the AdS-M-algebra
• Bosonic Description of Spinning Strings in $2+1$ Dimensions
• Bosonization and Current Algebra of Spinning Strings
• N=1, D=10 Tensionless Superbranes I
• A Model of Two-Dimensional Quantum Gravity in the Strong Coupling Regime
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• D=10 Chiral Tensionless Super p-Branes