Superfluid flow and vortex nucleation in room temperature, nonlocal photon fluids
CLEO: QELS_Fundamental Science, 2016•opg.optica.org
… We investigate superfluid behavior in a room-temperature photon fluid based on a
thermal nonlinearity that mediates the photon-photon interactions. Placing an extended
obstacle inside the … A hallmark signature of superfluids is the nucleation of quantised
vortices which appear as topological defects once the flow reaches a critical velocity. In this
work we report experimental evidence of vortex nucleation in nonlocal photon fluids flowing
around an extended obstacle in a system at room temperature [1]. We use a thermal …
thermal nonlinearity that mediates the photon-photon interactions. Placing an extended
obstacle inside the … A hallmark signature of superfluids is the nucleation of quantised
vortices which appear as topological defects once the flow reaches a critical velocity. In this
work we report experimental evidence of vortex nucleation in nonlocal photon fluids flowing
around an extended obstacle in a system at room temperature [1]. We use a thermal …
Abstract
We investigate superfluid behavior in a room-temperature photon fluid based on a thermal nonlinearity that mediates the photon-photon interactions. Placing an extended obstacle inside the flowing photon fluid leads to the nucleation of quantised vortices.
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