Tuesday, 27 August 2013

Quantum inverted pendulum: Control scheme dynamically maintains unstable quantum system

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A simple pendulum has two equilibrium points: hanging in the "down" position and perfectly inverted in the "up" position. While the "down" position is a stable equilibrium, the inverted position is definitely not stable. Any infinitesimal deviation from perfectly inverted is enough to cause the pendulum to eventually swing down.



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