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arXiv · hep-th/0111158

Duality and Integrability of Two Dimensional String Effective Action

Ashok Das·J. Maharana·A. Melikyan
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Abstract

We present a prescription for constructing the monodromy matrix, $\hat{\cal M}(ω)$, for $O(d,d)$ invariant string effective actions and derive its transformation properties under the $T$-duality group. This allows us to construct $\hat{\cal M}(ω)$ for new backgrounds, starting from known ones, which are related by $T$-duality. As an application, we derive the monodromy matrix for the exactly solvable Nappi-Witten model, both when B=0 and $B\neq 0$.

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Ashok Das, J. Maharana, A. Melikyan. 2002-03-15. Duality and Integrability of Two Dimensional String Effective Action. https://doi.org/10.1016/s0370-2693(02)01578-2

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