Sum rules for X-ray magnetic circular dichroism spectra in strongly correlated ferromagnets

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dc.creatorIrkhin, V. Yu.
dc.creatorKatsnelson, M. I.
dc.date2005-04-21
dc.date2005-07-05
dc.date.accessioned2026-07-07T03:04:51Z
dc.date.available2026-07-07T03:04:51Z
dc.descriptionIt is proven that the sum rules for X-ray magnetic dichroism (XMCD) spectra that are used to separate spin and orbital contributions to the magnetic moment are formally correct for an arbitrary strength of electron-electron interactions. However, their practical application for strongly correlated systems can become complicated due to the spectral density weight spreading over a broad energy interval. Relevance of incoherent spectral density for the XMCD sum rules is illustrated by a simple model of a ferromagnet with orbital degrees of freedom.
dc.description4 pages, final version
dc.identifierhttps://arxiv.org/abs/cond-mat/0504549
dc.identifierhttp://arxiv.org/abs/cond-mat/0504549
dc.identifierEur. Phys. J. B45, 1 (2005)
dc.identifierdoi:10.1140/epjb/e2005-00157-8
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/26242
dc.subjectStrongly Correlated Electrons
dc.titleSum rules for X-ray magnetic circular dichroism spectra in strongly correlated ferromagnets
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