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Structure and far-infrared edge modes of quantum antidots at zero magnetic field
Emperador, Agustí; Pi Pericay, Martí; Barranco Gómez, Manuel; Lipparini, Enrico; Serra, Llorenç
Universitat de Barcelona
We have investigated edge modes of different multipolarity sustained by quantum antidots at zero magnetic field. The ground state of the antidot is described within a local-density-functional formalism. Two sum rules, which are exact within this formalism, have been derived and used to evaluate the energy of edge collective modes as a function of the surface density and the size of the antidot.
2010-05-04
Superfícies (Física)
Propietats elèctriques
Propietats òptiques
Surfaces (Physics)
Electric properties
Optical properties
(c) The American Physical Society, 1998
Article
The American Physical Society
         

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