A relativistic theory of X-ray absorption by spin-polarized targets |
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| Authors: | H. Ebert P. Strange B. L. Gyorffy |
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| Affiliation: | (1) Siemens AG, Zentralbereich Forschung und Technik TPH 11, Postfach 3240, D-8520 Erlangen, Federal Republic of Germany;(2) H.H. Wills Physics Laboratory, University of Bristol, BS8 1TL Bristol, UK |
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| Abstract: | We show that, as a consequence of relativistic quantum mechanics, photons with left handed and right handed circular polarizations are absorbed differently by spin-polarized targets. We illustrate this effect by explicit calculation of the K-absorption edge in ferromagnetic Fe. |
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