Iranian Journal of Physics Research

Dissipation effects in a microwave cavity-magnet hybrid system

Document Type : Original Article

Authors

Parisa Maleki
Babak Zare

Department of Physics, Iran University of Science and Technology, Tehran, Iran

https://doi.org/10.47176/ijpr.24.4.71939
Abstract
A hybrid system consisting of a magnet and a microwave cavity has been investigated. The strong coupling between the magnet and the microwave cavity, where the coupling strength significantly exceeds the losses of both subsystems, creates an extrinsic dissipation channel for the magnet that depends on the temperature, intrinsic damping, and excitation energy of the cavity. The results indicate that, in the resonant case, the excitation of the microwave cavity leads to anti-damping for the magnet via this dissipation channel.

Keywords

magnetic system
coupling of microwave cavity-magnet
damping of magnet
Subjects
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