Entangling two magnon modes via magnetostrictive interaction

  title={Entangling two magnon modes via magnetostrictive interaction},
  author={Jie Li and Shi-Yao Zhu},
  journal={New Journal of Physics},
We present a scheme to entangle two magnon modes in a cavity magnomechanical system. The two magnon modes are embodied by collective motions of a large number of spins in two macroscopic ferrimagnets, and couple to a single microwave cavity mode via magnetic dipole interaction. We show that by activating the nonlinear magnetostrictive interaction in one ferrimagnet, realized by driving the magnon mode with a strong red-detuned microwave field, the two magnon modes can be prepared in an… 

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