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Título

Noncollinear spin-spiral phase for the uniform electron gas within reduced-density-matrix-functional theory

AutorEich, F. G.; Kurth, S.; Proetto, C. R.; Sharma, S.; Gross, E. K. U.
Fecha de publicación2010
EditorAmerican Physical Society
CitaciónPhysical Review B 81(24): 024430 (2010)
ResumenThe noncollinear spin-spiral density wave of the uniform electron gas is studied in the framework of reduced-density-matrix-functional theory. For the Hartree-Fock approximation, which can be obtained as a limiting case of reduced-density-matrix-functional theory, Overhauser showed a long-time ago that the paramagnetic state of the electron gas is unstable with respect to the formation of charge- or spin-density waves. Here we not only present a detailed numerical investigation of the spin-spiral density wave in the Hartree-Fock approximation but also investigate the effects of correlations on the spin-spiral density wave instability by means of a recently proposed density-matrix functional.
Descripción9 páginas, 10 figuras.-- PACS number(s): 71.10.Ca, 71.15.-m, 73.22.Gk, 75.30.Fv.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevB.81.024430
URIhttp://hdl.handle.net/10261/44227
DOI10.1103/PhysRevB.81.024430
ISSN1098-0121
E-ISSN1550-235X
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