Superfluid flow of polaron polaritons above Landau's critical velocity
arXiv:2002.01435 · doi:10.1103/PhysRevLett.125.035301
Abstract
We develop a theory for the interaction of light with superfluid optical media, describing the motion of quantum impurities that are created and dragged through the liquid by propagating photons. It is well known that a mobile impurity suffers dissipation due to phonon emission as soon as it moves faster than the speed of sound in the superfluid - Landau's critical velocity. Surprisingly we find that in the present hybrid light-matter setting, polaritonic impurities can be protected against environmental decoherence and be allowed to propagate well above the Landau velocity without jeopardizing the superfluid response of the medium.
16 pages, 6 figures
References in corpus (8)
- Quantum fluids of light
- Observation of Superfluidity of Polaritons in Semiconductor Microcavities
- Supersolid formation in a quantum gas breaking continuous translational symmetry
- Cooperative atom-light interaction in a blockaded Rydberg ensemble
- Atomically thin mirrors made of monolayer semiconductors
- Realization of an atomically thin mirror using monolayer MoSe2
- Variational study of polarons in Bose-Einstein condensates
- Enhanced nonlinear interaction of polaritons via excitonic Rydberg states in monolayer WSe2
Cited by in corpus (5)
- Mediated interactions and photon bound states in an exciton-polariton mixture
- Fundamental dissipation due to bound fermions in the zero-temperature limit
- Strong photon interactions from weakly interacting particles
- Polaritons for testing the universality of an impurity in a Bose-Einstein condensate
- Polaronic dressing of bound states