Bernier, NRToth, LDFeofanov, AKKippenberg, TJ2018-11-082018-11-082018-11-08201810.1103/PhysRevA.98.023841https://infoscience.epfl.ch/handle/20.500.14299/150507WOS:000442340500011Level attraction in a microwave optomechanical circuittext::journal::journal article::research article