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In this note we remark that the butterfly effect can be used to diagnose thephase transition of superconductivity in a holographic framework. Specifically,we compute the butterfly velocity in a charged black hole background as well asanisotropic backgrounds with Q-lattice structure. In both cases we find itsderivative to the temperature is discontinuous at critical points. We alsopropose that the butterfly velocity can signalize the occurrence of thermalphase transition in general holographic models.

Note on the butterfly effect in holographic superconductor models