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dc.contributor.authorCapelle, K.eng
dc.contributor.authorVignale, Giovanni, 1957-eng
dc.contributor.authorGyorffy, B. L.eng
dc.date.issued2001eng
dc.descriptionURL:http://link.aps.org/doi/10.1103/PhysRevLett.87.206403 DOI:10.1103/PhysRevLett.87.206403eng
dc.description.abstractWe derive and analyze the equation of motion for the spin degrees of freedom within time-dependent spin-density-functional theory (TD-SDFT). The results are (i) a prescription for obtaining many-body corrections to the single-particle spin currents from the Kohn-Sham equation of TD-SDFT, (ii) the existence of an exchange-correlation (xc) torque within TD-SDFT, (iii) a prescription for calculating, from TD-SDFT, the torque exerted by spin currents on the spin magnetization, (iv) a novel exact constraint on approximate xc functionals, and (v) the discovery of serious deficiencies of popular approximations to TD-SDFT when applied to spin dynamics.eng
dc.description.sponsorshipK. C. thanks the Physics Departments of the University of Columbia, Missouri, USA, and of the University of Bristol, UK, for generous hospitality, the FAPESP for financial support, and L. N. Oliveira and J. C. Egues for useful discussions. This work resulted from a collaboration partially funded by the TMR network (Contract No. EMRX-CT96-0089). G.V. acknowledges support from NSF Grant No. DMR-0074959.eng
dc.identifier.citationPhys. Rev. Lett. 87, 206403 (2001)eng
dc.identifier.issn0031-9007eng
dc.identifier.urihttp://hdl.handle.net/10355/7917eng
dc.languageEnglisheng
dc.publisherAmerican Physical Societyeng
dc.relation.ispartofcollectionUniversity of Missouri--Columbia. College of Arts and Sciences. Department of Physics and Astronomy. Physics and Astronomy publicationseng
dc.subjectspin currentseng
dc.subjecttime-dependent spin-density-functional theoryeng
dc.subject.lcshRotational motioneng
dc.subject.lcshDensity functionalseng
dc.titleSpin Currents and Spin Dynamics in Time-Dependent Density-Functional Theoryeng
dc.typeArticleeng


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