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Many-body effects on the Rashba-type spin splitting in bulk bismuth tellurohalides

AuthorsRusinov, Igor P.; Nechaev, I. A.; Eremeev, S. V.; Friedrich, C.; Blügel, S.; Chulkov, Eugene V.
Issue Date2013
PublisherAmerican Physical Society
CitationPhysical Review B 87: 205103 (2013)
AbstractWe report on many-body corrections to one-electron energy spectra of bulk bismuth tellurohalides—materials that exhibit a giant Rashba-type spin splitting of the band-gap edge states.We showthat the corrections obtained in the one-shot GW approximation noticeably modify the spin-orbit-induced spin splitting evaluated within density functional theory.We demonstrate that taking into account many-body effects is crucial to interpret the available experimental data.
Publisher version (URL)http://dx.doi.org/10.1103/PhysRevB.87.205103
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