Sum rules for polarization-dependent x-ray absorption
- 1 January 1995
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 51 (2), 1282-1285
- https://doi.org/10.1103/physrevb.51.1282
Abstract
A complete set of sum rules is obtained for polarization-dependent x-ray-absorption fine structure and x-ray circular magnetic dichroism (CMD), analogous to those for CMD derived by Thole et al. These sum rules relate x-ray-absorption coefficients to the ground-state expectation values of various operators. Problems with applying these sum rules are discussed.Keywords
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