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Collective spin excitations of alkali-metal clusters Serra, Llorenç Broglia, R. A., 1939- Barranco Gómez, Manuel Navarro Faus, Jesús Teoria molecular Fisicoquímica Molecular theory Physical chemistry The response function of alkali-metal clusters, modeled as jellium spheres, to dipole (L=1) and quadrupole (L=2) spin-dependent fields is obtained within the time-dependent local-spin-density approximation of density-functional theory. We predict the existence of low-energy spin modes of surface type, which are identified from the strength function. Their collectivity and evolution with size are discussed. 2009-10-06T09:20:30Z 2009-10-06T09:20:30Z 1993 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 1050-2947 https://hdl.handle.net/2445/9549 76010 eng Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevA.47.R1601 Physical Review A, 1993, vol. 47, núm. 3, p. 1601-1604. http://dx.doi.org/10.1103/PhysRevA.47.R1601 (c) The American Physical Society, 1993 info:eu-repo/semantics/openAccess 4 p. application/pdf The American Physical Society Articles publicats en revistes (Física Quàntica i Astrofísica)