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    Quantum Rayleigh-Taylor Instability

    Uncategorized fluiddynamics instability physics quantummechanics rayleightaylorinstabil science turbulence
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    Quantum Rayleigh-Taylor InstabilityThe Rayleigh-Taylor instability–typically marked by mushroom-shaped plumes–occurs when a dense fluid accelerates into a less dense one. But researchers have now demonstrated the effect at quantum scales, too.For their experiment, the group used a Bose-Einstein condensate of sodium atoms and made the interface between them by exciting half of the atoms into a spin-up state and half into a spin-down one. With the interface is place, they reversed the magnetic field gradient, inducing a force on the atoms equivalent to the buoyant force seen in conventional Rayleigh-Taylor instabilities. As shown above, the interface first warped, then developed Rayleigh-Taylor mushrooms and eventually became turbulent. (Image and research credit: Y. Geng et al.; via Physics World)#fluidDynamics #instability #physics #quantumMechanics #RayleighTaylorInstability #science #turbulence

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