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Updated: Aug 7, 2026

High Resolution Phonon-assisted Quasi-resonance Fluorescence Spectroscopy
Published on: June 28, 2016
Doppler-shifted cyclotron, doppleron-phonon, and pseudo-doppleron-phonon resonances in indium
1Institute for Metal Physics, Ural Department of the Russian Academy of Sciences, Yekaterinburg 620219, Russia. gudkov@imp.uran.ru <gudkov@imp.uran.ru>
Abstract:
Ultrasonic investigations have been carried out in geometry of the experiment corresponding to acoustic analogy of the Faraday effect with the use of a super pure crystal like indium. Lowering the temperature from 4.2 K to 1.28 K has revealed new peculiarities of in the magnetic field dependences of absorption and phase velocity of circularly polarized ultrasonic waves. The peculiarities have been interpreted as manifestation of multiple doppleron-phonon and Doppler-shifted cyclotron resonances. The discovery of these resonances has changed interpretation of some anomalies observed in the previous experiments.
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