TY - RPRT TI - Fredkin Staircase: An Integrable System with a Finite-Frequency Drude Peak AU - Singh, Hansveer AU - Vasseur, Romain AU - Gopalakrishnan, Sarang PY - 2023 DO - 10.1103/physrevlett.130.046001 UR - https://www.osti.gov/biblio/1970429 ID - 1970429 ER -