Investigation of Microwave Absorption of Surface-State Electrons on Liquid 3He |
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Authors: | Denis Konstantinov Hanako Isshiki Hikota Akimoto Keiya Shirahama Kimitoshi Kono |
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Affiliation: | (1) Low Temperature Physics Laboratory, RIKEN, Hirosawa 2-1, Wako 351-0198, Japan;(2) Department of Physics, Keio University, Hiyoshi 3-14-1, Yokohama 223-8522, Japan |
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Abstract: | We report on the experimental study of the resonance microwave absorption of surface-state electrons (SSE) on liquid 3He. The absorption is detected as a variation of the microwave power passing through the experimental cell, or as a resonance-induced
change in the electron conductivity. In the latter method a decrease of the conductivity is observed, which points out on
the possibility of substantial heating of the electrons by the absorbed microwave power. In a vapor-atom scattering regime
the temperature dependence of the linewidth agrees well with the theoretical model, and the absolute value of the measured
linewidth is about twice larger than the theoretical one. At very high microwave power the side band absorption peaks are
observed. |
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