Abstract
The non-linear nature of string theory on non-trivial backgrounds, related to the AdS/CFT correspondence, force one to look for simplifications. Two such simplifications proved to be useful in studying string theory. These are the pp-wave limit, which describes point-like strings, and the so-called “near-flat space” limit which connects two different sectors of string theory—pp-wave and “giant magnons”. Recently another example of AdS/CFT duality emerged—AdS 4/CFT 3, which suggests duality between \(\mathcal{N}=6\) CS theory and superstring theory on \(\mathit{AdS}_{4}\times \mathbb{CP}^{3}\) . In this paper we study the “near-flat space” limit of strings on an \(\mathit{AdS}_{4}\times \mathbb{CP}^{3}\) background and discuss possible applications of the limiting theory.
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