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Facing Heisenberg at the nanoscale

By measuring the motion of a nanomechanical oscillator with an extremely small error, researchers have passed a milestone on the road to measurements of position at the ultimate limit set by quantum mechanics.

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Figure 1: Schematic showing the microwave resonant circuit used to measure the position of a nanomechanical resonator (the aluminium nanowire shown in the dashed circle) with an imprecision below that at the standard quantum limit.



  1. Teufel, J. D. et al. Nature Nanotech. 4, 820–823 (2009).

    Article  CAS  Google Scholar 

  2. Clerk, A. A., Devoret, M. H., Girvin, S. M., Marquardt, F. & Schoelkopf, R. J. Preprint at <> (2008).

  3. Caves, C. M. Phys. Rev. D 26, 1817–1839 (1982).

    Article  Google Scholar 

  4. Knobel, R. & Cleland, A. N. Nature 424, 291–293 (2003).

    Article  CAS  Google Scholar 

  5. Naik, A. et al. Nature 443, 193–196 (2006).

    Article  CAS  Google Scholar 

  6. Etaki, S. et al. Nature Phys. 4, 785–788 (2008).

    Article  CAS  Google Scholar 

  7. Rocheleau, T. et al. Preprint at<> (2009).

  8. Schliesser, A. et al. Nature Phys. 5, 509–514 (2009).

    Article  CAS  Google Scholar 

  9. Hertzberg, J. B. et al. Preprint at <> (2009).

Download references

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Clerk, A. Facing Heisenberg at the nanoscale. Nature Nanotech 4, 796–798 (2009).

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