Quantization of the Superstring in Ramond-Ramond Backgrounds

Abstract

Sigma model actions are constructed for the Type II superstring compactified to four and six dimensional curved backgrounds which can contain non-vanishing Ramond-Ramond fields. These actions are N=2 worldsheet superconformally invariant and can be covariantly quantized preserving manifest spacetime supersymmetry. They are constructed using a hybrid version of superstring variables which combines features of the Ramond-Neveu-Schwarz and Green-Schwarz formalisms. For the $Ad{S}_2\times S^2$ and $Ad{S}_3\times S^3$ backgrounds, these actions differ from the classical Greeen-Schwarz actions by a crucial kinetic term for the fermions. Parts of this work have been done in collaborations with M. Bershadsky, T. Hauer, W. Siegel, C. Vafa, E. Witten, S. Zhukov and B. Zwiebach.

Corrected a few typos, Talk given at Strings `99 in Potsdam

References in corpus (1)

• Super 0-brane and GS Superstring Actions on AdS_2 \times S^2

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• Exploring The Lambda Model Of The Hybrid Superstring
• On the Relation between Hybrid and Pure Spinor String Theory