新井 陽介*; 黒田 健太*; 野本 拓也*; Tin, Z. H.*; 櫻木 俊輔*; Bareille, C.*; 明比 俊太朗*; 黒川 輝風*; 木下 雄斗*; Zhang, W.-L.*; Shin, S.*; 徳永 将史*; 北澤 英明*; 芳賀 芳範 
; 鈴木 博之*; 宮坂 茂樹*; 田島 節子*; 岩佐 和晃*; 有田 亮太郎*; 近藤 猛*
Arai, Yosuke*; Kuroda, Kenta*; Nomoto, Takuya*; Tin, Z. H.*; Sakuragi, Shunsuke*; Bareille, C.*; Akebi, Shuntaro*; Kurokawa, Kifu*; Kinoshita, Yuto*; Zhang, W.-L.*; Shin, S.*; Tokunaga, Masashi*; Kitazawa, Hideaki*; Haga, Yoshinori; Suzuki, Hiroyuki*; Miyasaka, Shigeki*; Tajima, Setsuko*; Iwasa, Kazuaki*; Arita, Ryotaro*; Kondo, Takeshi*
Low-energy electronic structures of CeSb which shows multiple phase transitions known as devil's staircase were examined by combination of laser angle-resolved photoemission, Raman and neutron scattering spectroscopies. A new type of electron-boson coupling between the mobile electrons and quadrupole CEF-excitations of the 4f orbitals was found. The coupling is exceedingly strong and exhibits anomalous step-like enhancement during the devil's staircase transition, unveiling a new type of quasiparticle, named multipole polaron.
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: | 21 |
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: | 4 |
ページ数 |
: | p.410 - 415 |
発行年月 |
: | 2022/04 |
キーワード |
: | Rare Earth Compounds; electron boson coupling; Photoemission Spectroscopy; Raman Spectroscopy; Neutron Scattering |
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パーセンタイル：75.56 分野：Chemistry, Physical |
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