Abstract
Strong coupling of electromagnetic cavity fields with antiferromagnetic spin waves in hematite (-) is achieved above room temperature. A cube of hematite is placed in a metallic tube and the transmission is measured, using a continuous-wave terahertz spectrometer. The spectra, collected as a function of the temperature, reveal the formation of magnetic polaritons.
2 More- Received 4 January 2021
- Revised 9 March 2021
- Accepted 12 March 2021
DOI:https://doi.org/10.1103/PhysRevApplied.15.044018
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Published by the American Physical Society