Finite-size giant magnons on η-deformed AdS_5 x S^5

Abstract

We consider strings moving in the R_t x S^3_ηsubspace of the η-deformed AdS_5 x S^5 and obtain a class of solutions depending on several parameters. They are characterized by the string energy and two angular momenta. Finite-size dyonic giant magnon belongs to this class of solutions. Further on, we restrict ourselves to the case of giant magnon with one nonzero angular momentum, and obtain the leading finite-size correction to the dispersion relation.

12 pages, no figure

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• Deformations of $T^{1,1}$ as Yang-Baxter sigma models
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