The interaction between sound and helicon waves in potassium
- 1 April 1967
- journal article
- research article
- Published by Taylor & Francis in Philosophical Magazine
- Vol. 15 (136) , 707-715
- https://doi.org/10.1080/14786436708220918
Abstract
Transverse sound waves have been propagated along strong magnetic fields in single-crystal samples of potassium at 4·2°K. For [100] samples at a frequency of about 200 Mc/s, in a field region above the Kjeldaas absorption edge, oscillations in the received signal were seen : these have been interpreted in terms of a rotation of polarization due to interaction of the sound waves with the helicon modes of propagation. In [110] samples at 49·4 Mc/s, oscillations have also been seen, and have been interpreted in a similar manner.Keywords
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