Quantum Acoustomechanics with a Micromagnet.

  title={Quantum Acoustomechanics with a Micromagnet.},
  author={Carlos Gonzalez-Ballestero and Jan Gieseler and Oriol Romero-Isart},
  journal={Physical review letters},
  volume={124 9},
We show theoretically how to strongly couple the center-of-mass motion of a micromagnet in a harmonic potential to one of its acoustic phononic modes. The coupling is induced by a combination of an oscillating magnetic field gradient and a static homogeneous magnetic field. The former parametrically couples the center-of-mass motion to a magnonic mode while the latter tunes the magnonic mode in resonance with a given acoustic phononic mode. The magnetic fields can be adjusted to either cool the… 

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