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Heavy electron states and superconductivity due to anharmonic phonons

Heavy electron states and superconductivity due to anharmonic phonons
非简谐声子引起的重电子态和超导
批准号:
20540347
负责人:
UEDA Kazuo
金额:
$2.83万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (C)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010

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中文摘要
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英文摘要
The spectral weight of an anharmonic oscillator coupled with conduction electrons is obtained. The ground-state phase diagram of the one dimensional Holstein model of anharmonic oscillators is determined by quantum Monte Carlo simulations. Kondo effect of magnetic ions vibrating in metals is investigated by using the numerical renormalization group method. We find two-channel Kondo effect at the border of the two different fixed points with different parities.
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Kondo Effect of a Vibrating Magnetic Impurity
振动磁性杂质的近藤效应
DOI: --
发表时间: 2010
期刊: J. Phys. Soc. Jpn
影响因子: --
作者: [S. Yashiki, S. Kirino, and K. Ueda]
通讯作者: and K. Ueda
Theoretical study of NMR relaxation due to rattling phonons
震颤声子引起的核磁共振弛豫的理论研究
DOI: --
发表时间: 2008
期刊: J. Phys. Chem. Solids 69
影响因子: --
作者: [M. Takechi and K. Ueda, 上田和夫, M. Takechi and K. Ueda, T. Dahm and K. Ueda]
通讯作者: T. Dahm and K. Ueda
DOI: --
发表时间: 2011
期刊: J. Phys. Soc. Jpn
影响因子: --
作者: [瓜生誠司,安藤恒也, S. Yashiki and K. Ueda]
通讯作者: S. Yashiki and K. Ueda
DOI: --
发表时间: 2011
期刊: J.Phys.Soc.Jpn.
影响因子: --
作者: [S.Yashiki, K.Ueda]
通讯作者: K.Ueda
18
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    • 批准号:
      20330152
    • 项目类别:
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    • 资助金额:
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    • 财政年份:
      2008
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    • 项目类别:
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    • 项目类别:
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    • 资助金额:
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    • 财政年份:
      2000
    • 负责人:
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    • 依托单位:
    海外基金