Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2010-01-28
Physics
Condensed Matter
Strongly Correlated Electrons
5 pages, 3 figures. Submitted to Phys. Rev. Lett
Scientific paper
We develop the theory for shallow-core to valence excitations when the multiplet spread is larger than the core-hole attraction, e.g., if the core and valence orbitals have the same principal quantum number. This results in a cross-over from bound to virtual-bound excited states with increasing energy and in large differences between dipole and high-order multipole transitions, as observed in inelastic x-ray scattering. The theory is important to obtain ground state information from x-ray spectroscopies of strongly correlated transition metal, rare-earth and actinide systems.
Bradley Arthur J.
Gupta Subhra Sen
Haverkort Maurits W.
Sawatzky George. A.
Seidler G. T.
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