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.

引用

页数：5

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