Swimming against a superfluid flow: Self-propulsion via vortex-antivortex shedding in a quantum fluid of light

Myrann Baker-Rasooli, Tangui Aladjidi, Tiago D. Ferreira +4

A superfluid flows without friction below a critical velocity, exhibiting zero drag force on impurities. Above this threshold, superfluidity breaks down, and the internal energy is…