An integrable deformation of the type IIB ${\mathrm{AdS}}_5\times {\mathrm{S}}^5$ superstring action is presented. The deformed field equations, Lax connection, and $\kappa$-symmetry transformations are given. The original $\mathfrak{psu}(2,2|4)$ symmetry is expected to become $q$ deformed.

• Received 7 October 2013

DOI:https://doi.org/10.1103/PhysRevLett.112.051601