Resonant inelastic x-ray scattering studies of elementary excitations
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Open Access
- 24 June 2011
- journal article
- research article
- Published by American Physical Society (APS) in Reviews of Modern Physics
- Vol. 83 (2), 705-767
- https://doi.org/10.1103/revmodphys.83.705
Abstract
In the past decade, resonant inelastic x-ray scattering (RIXS) has made remarkable progress as a spectroscopic technique. This is a direct result of the availability of high-brilliance synchrotron x-ray radiation sources and of advanced photon detection instrumentation. The technique’s unique capability to probe elementary excitations in complex materials by measuring their energy, momentum, and polarization dependence has brought RIXS to the forefront of experimental photon science. Both the experimental and theoretical RIXS investigations of the past decade are reviewed, focusing on those determining the low-energy charge, spin, orbital, and lattice excitations of solids. The fundamentals of RIXS as an experimental method are presented and then the theoretical state of affairs, its recent developments, and the different (approximate) methods to compute the dynamical RIXS response are reviewed. The last decade’s body of experimental RIXS data and its interpretation is surveyed, with an emphasis on RIXS studies of correlated electron systems, especially transition-metal compounds. Finally, the promise that RIXS holds for the near future is discussed, particularly in view of the advent of x-ray laser photon sources. DOI: http://dx.doi.org/10.1103/RevModPhys.83.705 39 More Received 13 April 2010Published 24 June 2011© 2011 American Physical SocietyKeywords
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