Subharmonic Generation in Quantum Systems
classification
❄️ cond-mat
keywords
periodicquantumsubharmonicclassicalclassical-quantumcoherentcorrespondencedeviations
read the original abstract
We show how the classical-quantum correspondence permits long-lived subharmonic motion in a quantum system driven by a periodic force. Exponentially small deviations from exact subharmonicity are due to coherent tunneling between quantized vortex tubes which surround classical elliptic periodic orbits.
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