Group News (2020)1 October 2020|ilp SengstockA cavity optomechanical locking scheme based on the optical spring effectPhoto: UHH/RohseWe present a novel locking scheme for active length-stabilization and frequency detuning of a cavity optomechanical device based on the optical spring...18 September 2020|AG WeitenbergPreparation of the 1/2-Laughlin state with atoms in a rotating trapPhoto: Adapted from PRA 103, 063325 (2021)Fractional quantum Hall systems are among the most exciting strongly correlated systems. Accessing them microscopically via quantum simulations with...