Microwave Absorption of Surface-State Electrons on Liquid ^3He(Condensed matter: electronic structure and electrical, magnetic, and optical properties)
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概要
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We have investigated the intersubband transitions of surface-state electrons (SSE) on liquid ^3He induced by microwave radiation at temperatures from 1.1K down to 0.01K. Above 0.4K, the transition linewidth is proportional to the density of ^3He vapor atoms. This proportionality is explained well by Ando's theory, in which the linewidth is determined by the electron-vapor atom scattering. However, the linewidth is larger than the calculated result by a factor of 2.1. This discrepancy strongly indicates that the theory underestimates the electron-vapor atom scattering rate. At lower temperatures, the absorption spectrum splits into several peaks. The multiple-peak structure is partly attributed to the spatial inhomogeneity of the static holding electric field perpendicular to the electron sheet.
- 社団法人日本物理学会の論文
- 2007-09-15
著者
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Konstantinov Denis
Low Temperature Physics Laboratory Riken
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ISSHIKI Hanako
Low Temperature Physics Laboratory, RIKEN
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AKIMOTO Hikota
Low Temperature Physics Laboratory, RIKEN
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SHIRAHAMA Keiya
Department of Physics, Keio University
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KONO Kimitoshi
Low Temperature Physics Laboratory, RIKEN
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Kono Kimitoshi
RIKEN
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Konstantinov Denis
Low Temperature Physics Laboratory
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Kono Kimitoshi
Low Temperature Physical Laboratory Riken
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Isshiki Hanako
Low Temperature Physics Laboratory Riken:department Of Physics Keio University
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Akimoto Hikota
Low Temperature Physics Laboratory Riken
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Shirahama Keiya
Department Of Physics Keio University
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Shirahama Keiya
Department Of Physics Faculty Of Science Hokkaido University
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