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Evidence for Quantized Displacement in Macroscopic Nanomechanical Oscillators

Alexei Gaidarzhy·Guiti Zolfagharkhani·Robert L. Badzey·Pritiraj Mohanty
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Abstract

We report the observation of discrete displacement of nanomechanical oscillators with gigahertz-range resonance frequencies at millikelvin temperatures. The oscillators are nanomachined single-crystal structures of silicon, designed to provide two distinct sets of coupled elements with very low and very high frequencies. With this novel design, femtometer-level displacement of the frequency-determining element is amplified into collective motion of the entire micron-sized structure. The observed discrete response possibly results from energy quantization at the onset of the quantum regime in these macroscopic nanomechanical oscillators.

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Alexei Gaidarzhy, Guiti Zolfagharkhani, Robert L. Badzey, Pritiraj Mohanty. 2005-03-11. Evidence for Quantized Displacement in Macroscopic Nanomechanical Oscillators. https://doi.org/10.1103/physrevlett.94.030402

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