English   español  
Por favor, use este identificador para citar o enlazar a este item: http://hdl.handle.net/10261/102405
Compartir / Impacto:
Estadísticas
Add this article to your Mendeley library MendeleyBASE
Citado 6 veces en Web of Knowledge®  |  Ver citas en Google académico
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL
Exportar otros formatos: Exportar EndNote (RIS)Exportar EndNote (RIS)Exportar EndNote (RIS)
Título

Ab initio study of low-energy collective electronic excitations in bulk Pb

Autor Zubizarreta, X. ; Silkin, Viatcheslav M.; Chulkov, Eugene V.
Fecha de publicación 2013
EditorAmerican Physical Society
Citación Physical Review B 87: 115112 (2013)
ResumenA theoretical study of the dynamical dielectric response of bulk lead at low energies is presented. The calculations are performed with full inclusion of the electronic band structure calculated by means of a first-principles pseudopotential approach. The effect of inclusion of the spin-orbit interaction in the band structure on the excitation spectra in Pb is analyzed, together with dynamical exchange-correlation and local-field effects. In general, results show significant anisotropy effects on the dielectric response of bulk Pb. At small momentum transfers along three different high-symmetry directions, the calculated excitation spectra present several peaks with strong acousticlike dispersion in the energy range below 2 eV. The analysis shows that only one of such modes existing at momentum transfers along the Γ-K direction can be interpreted as a true acousticlike plasmon, whereas all other modes are originated from the enhanced number of intraband electron-hole excitations at corresponding energies. Comparison with available optical experimental data shows good agreement. © 2013 American Physical Society.
Versión del editorhttp://dx.doi.org/10.1103/PhysRevB.87.115112
URI http://hdl.handle.net/10261/102405
DOI10.1103/PhysRevB.87.115112
Identificadoresdoi: 10.1103/PhysRevB.87.115112
issn: 1098-0121
e-issn: 1550-235X
Aparece en las colecciones: (CFM) Artículos
Ficheros en este ítem:
Fichero Descripción Tamaño Formato  
Ab initio study of low-energy.pdf3,38 MBAdobe PDFVista previa
Visualizar/Abrir
Mostrar el registro completo
 



NOTA: Los ítems de Digital.CSIC están protegidos por copyright, con todos los derechos reservados, a menos que se indique lo contrario.