| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2012: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2011: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
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| Research Abstract |
We analyze ab initio low-energy effective models for iron-based superconductors by using many-variable variational Monte Carlo method. By analyzing five different materials, we show that the ab initio low-energy effective models successfully reproduce magnitudes of the magnetic ordered moment and magnetic-order patterns observed in iron-based superconductors. We also clarify that the iron-based superconductors are under strong influence of d Mott insulators. Furthermore, we examine the possibility of the superconductivity in electron-doped region.
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