Theoretical Demonstration of How the Dispersion of Magnetic Excitations in Cuprate Compounds can be Determined Using Resonant Inelastic X-Ray Scattering

被引：141

作者：

Ament, Luuk J. P. ^{[1
,4
,5
]}

Ghiringhelli, Giacomo ^{[2
]}

Moretti Sala, Marco ^{[2
]}

Braicovich, Lucio ^{[2
]}

van den Brink, Jeroen ^{[1
,3
,4
,5
]}

机构：

[1] Leiden Univ, Inst Lorentz Theoret Phys, NL-2300 RA Leiden, Netherlands

[2] Politecn Milan, Dipartimento Fis, INFM CNR Coherentia & Soft, I-20133 Milan, Italy

[3] Radboud Univ Nijmegen, Inst Mol & Mat, NL-6500 GL Nijmegen, Netherlands

[4] Stanford Univ, Stanford Inst Mat & Energy Sci, Menlo Pk, CA 94025 USA

[5] SLAC Natl Accelerator Lab, Menlo Pk, CA 94025 USA

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 11期

关键词：

ANTIFERROMAGNETISM; SPECTRA;

D O I：

10.1103/PhysRevLett.103.117003

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We show that in resonant inelastic x-ray scattering (RIXS) at the copper L and M edge direct spin-flip scattering is in principle allowed. We demonstrate how this possibility can be exploited to probe the dispersion of magnetic excitations, for instance magnons, of cuprates such as the high T(c) superconductors. We compute the relevant local and momentum dependent magnetic scattering amplitudes, which we compare to the elastic and dd-excitation scattering intensities. For cuprates these theoretical results put RIXS as a technique on the same footing as neutron scattering.

引用

页数：4

共 25 条

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