| Project/Area Number |
26287079
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Condensed matter physics II
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| Research Institution | Tokyo University of Science |
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Principal Investigator |
Tohyama Takami 東京理科大学, 理学部第一部応用物理学科, 教授 (70237056)
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| Co-Investigator(Kenkyū-buntansha) |
曽田 繁利 国立研究開発法人理化学研究所, 計算科学研究機構, 研究員 (60466414)
兼下 英司 仙台高等専門学校, 総合工学科, 准教授 (60548212)
筒井 健二 国立研究開発法人量子科学技術研究開発機構, 関西光科学研究所 放射光科学研究センター, 上席研究員(定常) (80291011)
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| Co-Investigator(Renkei-kenkyūsha) |
ISHII Kenji 量子科学技術研究開発機構, 関西光科学研究放射光科学研究センター, 上席研究員 (40343933)
WAKIMOTO Shuuichi 日本原子力研究開発機構, 量子ビーム応用研究部門, 上席研究員 (40399415)
BARON Alfred 理化学研究所, バロン物質ダイナミクス研究室, 主任研究員 (90442920)
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| Project Period (FY) |
2014-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
Fiscal Year 2017: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2016: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2015: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2014: ¥7,150,000 (Direct Cost: ¥5,500,000、Indirect Cost: ¥1,650,000)
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| Keywords | 非弾性Ｘ線散乱 / 強相関電子系 / 3d遷移金属化合物 / 計算物理学的手法 / 共鳴非弾性Ｘ線散乱 / 物性理論 / X線 / 計算物理 / Ｘ線 / 共鳴非弾性X線散乱 |
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| Outline of Final Research Achievements |
We applied the theory of resonant inelastic x-ray scattering (RIXS) and nonresonant inelastic x-ray scattering (NIXS) developed by our group to cuprate superconductors and iron-based superconductors and examined the nature of spin, charge, and orbital excitations in these materials. In particular, we clarified the charge excitations and their incident x-ray energy dependence in RIXS of cuprate superconductors and the condition in NIXS giving maximum intensity for a particular orbital component of an iron-based compound. These results are useful in analyzing corresponding experimental data.
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