書誌事項
- タイトル別名
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- <Research Report>Non-Fermi Liquid Charge Transport Properties and Quantum Critical Point Behaviors as Seen in BaFe[2](As[1-x]Px)[2] Iron-Pnictide Superconductor
- テツケイ チョウデンドウタイ BaFe2 As1 xPx 2 ニ ミル ヒフェルミ エキタイテキ デンシ ユソウ ゲンショウ ト リョウシ リンカイテンテキ フルマイ
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Non-Fermi liquid like charge transport properties and quantum critical behaviors observed in high-quality single crystals of BaFe[2](As[1-x]Px)[2] are reviewed. Near the SDW end point, charge transport coefficients, including resistivity, Hall coefficient and magnetoresistance, exhibit striking deviations from the conventional Fermi liquid properties. De Haas-van Alphen effect measurements in a wide range of superconducting dome reveal that thevolume of the Fermi surfaces shrink and the effective masses are enhanced as x approaches the critical concentration with highest Tc. It is also shown that antiferromagnetic fluctuations deduced from [31]P-NMR measurements are notably enhanced near this optimal composition, where magnetically ordered temperature θ deduced from relaxation rate is found to vanish. It is likely that these trends originate from the many-body interaction which gives rise to high-temperature superconductivity in iron-pnictides.
収録刊行物
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- 低温物質科学研究センター誌 : LTMセンター誌
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低温物質科学研究センター誌 : LTMセンター誌 17 10-18, 2010-12-01
京都大学低温物質科学研究センター
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詳細情報 詳細情報について
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- CRID
- 1390853649763496320
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- NII論文ID
- 120003850824
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- NII書誌ID
- AA11853306
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- ISSN
- 1348317X
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- DOI
- 10.14989/153265
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- HANDLE
- 2433/153265
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- NDL書誌ID
- 10951281
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- IRDB
- NDL
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