Orbital-selective electronic excitations in iron arsenides revealed by simulated nonresonant inelastic x-ray scattering

被引：1
|
作者：
Tsutsui, Kenji [1 ]
Kaneshita, Eiji [2 ]
Tohyama, Takami [3 ]
机构：
[1] Japan Atom Energy Agcy, Quantum Beam Sci Ctr, Mikazuki, Hyogo 6795148, Japan
[2] Sendai Coll, Natl Inst Technol, Sendai, Miyagi 9893128, Japan
[3] Tokyo Univ Sci, Dept Appl Phys, Tokyo 1258585, Japan
来源：
PHYSICAL REVIEW B | 2015年 / 92卷 / 19期
基金：
日本学术振兴会;
关键词：
TRANSITION;
D O I：
10.1103/PhysRevB.92.195103
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nonresonant inelastic x-ray scattering (NIXS) is a possible tool to detect charge excitations in electron systems. In addition, multipole transitions at high-momentum-transfer regions open a newpossibility to determine orbital-selective electronic excitations in multiorbital itinerant 3d electron systems. As a theoretical example, we choose the antiferromagnetic state of iron arsenides and demonstrate that the orbital-selective excitations are detectable by choosing appropriate momentum transfer in NIXS. We propose that both NIXS and resonant inelastic x-ray scattering are complementary to each other for fully understanding the nature of orbital excitations in multiorbital itinerant electron systems.
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页数：5
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