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Journal Article

Dynamical Backaction Magnomechanics

MPS-Authors
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Bittencourt,  Victor A. S. V.
Viola-Kusminskiy Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;

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Viola-Kusminskiy,  Silvia
Viola-Kusminskiy Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society;
Institute for Theoretical Physics, University of Erlangen-Nürnberg;

Fulltext (public)

PhysRevX.11.031053
(Publisher version), 60KB

Supplementary Material (public)
There is no public supplementary material available
Citation

Potts, C. A., Varga, E., Bittencourt, V. A. S. V., Viola-Kusminskiy, S., & Davis, J. P. (2021). Dynamical Backaction Magnomechanics. Physical Review X, 11(3): 031053. doi:10.1103/PhysRevX.11.031053.


Cite as: http://hdl.handle.net/21.11116/0000-0009-2040-A
Abstract
Dynamical backaction resulting from radiation pressure forces in optomechanical systems has proven to be a versatile tool for manipulating mechanical vibrations. Notably, dynamical backaction has resulted in the cooling of a mechanical resonator to its ground state, driving phonon lasing, the generation of entangled states, and observation of the optical-spring effect. In certain magnetic materials, mechanical vibrations can interact with magnetic excitations (magnons) via the magnetostrictive interaction, resulting in an analogous magnon-induced dynamical backaction. In this article, we directly observe the impact of magnon-induced dynamical backaction on a spherical magnetic sample’s mechanical vibrations. Moreover, dynamical backaction effects play a crucial role in many recent theoretical proposals; thus, our work provides the foundation for future experimental work pursuing many of these theoretical proposals.