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Theory of indirect resonant inelastic X-ray scattering |
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| Authors: | Jeroen van den Brink Michel van Veenendaal |
| Institution: | a Institute-Lorentz for Theoretical Physics, Universiteit Leiden, P.O. Box 9506, 2300 RA Leiden, The Netherlands b Theoretical Physics, Institute for Molecules and Materials, Radbord Universiteit Nijmegen, P.O. Box 9010, 6500 GL Nijmegen, The Netherlands c Department of Physics, Northern Illinois University, De Kalb, Illinois 60115, USA d Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA |
| Abstract: | We express the cross section for indirect resonant inelastic X-ray scattering in terms of an intrinsic dynamic correlation function of the system that is studied with this technique. The cross section is a linear combination of the charge response function and the dynamic longitudinal spin density correlation function. This result is asymptotically exact for both strong and weak local core-hole potentials. We show that one can change the relative charge and spin contribution to the inelastic spectral weight by varying the incident photon energy. |
| Keywords: | D Electrical properties D Optical properties |
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