Møller, Christoffer B., Thomas, Rodrigo A., Vasilakis, Georgios, Zeuthen, Emil, Tsaturyan, Yeghishe, Balabas, Mikhail, Jensen, Kasper, Schliesser, Albert, Hammerer, Klemens, Polzik, Eugene S., "Quantum back-action-evading measurement of motion in a negative mass reference frame", Nature, 2017