N=2 Superconformal Description of Superstring in Ramond-Ramond Plane Wave Backgrounds
Nathan Berkovits, Juan Maldacena
TL;DR
This paper reformulates the superstring theory in Ramond-Ramond plane wave backgrounds using a U(4) formalism, achieving manifest N=(2,2) superconformal invariance and simplifying background construction.
Contribution
It introduces a new superconformal formulation of superstring theory in Ramond-Ramond backgrounds, resolving previous issues with interaction point operators.
Findings
Achieves manifest N=(2,2) superconformal invariance
Simplifies the construction of Ramond-Ramond plane wave backgrounds
Eliminates problems with light-cone interaction point operators
Abstract
Using the U(4) formalism developed ten years ago, the worldsheet action for the superstring in Ramond-Ramond plane wave backgrounds is expressed in a manifestly N=(2,2) superconformally invariant manner. This simplifies the construction of consistent Ramond-Ramond plane wave backgrounds and eliminates the problems associated with light-cone interaction point operators.
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