Relativistic Short-Range-Order X-ray Photoelectron Diffraction Theory
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概要
- 論文の詳細を見る
In this paper we discuss relativistic short-range-order XPD theory applicable to the XPD from heavy elements (Z > 50), where relativistic effects play some important roles. The 4 × 4 Dirac Green's function can be expanded in terms of full non-relativistic 2 × 2 Green's functions using Gestzesy expansion, which enables us to use well-defined Debye-Waller factors and optical potentials developed within the framework of nonrelativistic theory. We separately discuss the K-edge and other nonspherical deep core excitation by linear and circular polarized X-rays. The relativistic effects play a minor role in the analyses of K-edge XPD excited by linear polarized X-rays, whereas they play an important role in the analyses of spin-resolved K-edge XPD spectra excited by circularly polarized X-rays. Some illustrative numerical calculations demonstrate the contribution to spin polarization in the XPD spectra caused by the relativistic effects.
- 社団法人日本物理学会の論文
- 2003-09-15
著者
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FUJIKAWA Takashi
Graduate School of Advanced Integration of Science, Chiba University
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Konishi Takehisa
Graduate School For Science Chiba University
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Fujikawa Takashi
Graduate School For Science Chiba University
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Fujikawa Takeshi
Graduate School for Science, Chiba University
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