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Relativistic spin-polarised scattering theory-solution of the single-site problem

Strange, Paul, Staunton, Julie, Gyorffy, Balazs L. (1984) Relativistic spin-polarised scattering theory-solution of the single-site problem. Journal of Physics C: Solid State Physics, 17 (19). pp. 3355-3371. ISSN 0022-3719. (doi:10.1088/0022-3719/17/19/011) (Access to this publication is currently restricted. You may be able to access a copy if URLs are provided) (KAR id:41359)

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Relativistic spin-polarised scattering theory is discussed and the relevant radial Dirac equations for an electron in a potential with a magnetic component are derived. The solutions to these equations, when expanded to lowest order in l/c‘ (cis the velocity of light), thus treat spin-orbit coupling and spin-polarisation effects on an equal footing. By matching to free-particle solutions at the boundary of the potential, expressions for the scattering amplitudes are given. We perform explicit calculations for the example of an electron scattering from a single Pt atom in an external magnetic field. The interpretation of the results gives a clear and useful picture of the interplay between spin-orbit coupling and spin polarisation. A scattering analogue to a generalised ‘Zeeman effect’ is described.

Item Type: Article
DOI/Identification number: 10.1088/0022-3719/17/19/011
Uncontrolled keywords: Physics of Quantum Materials
Subjects: Q Science > QC Physics
Divisions: Divisions > Division of Natural Sciences > Physics and Astronomy
Depositing User: Paul Strange
Date Deposited: 09 Jun 2014 12:20 UTC
Last Modified: 16 Nov 2021 10:16 UTC
Resource URI: (The current URI for this page, for reference purposes)

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