2012
DOI: 10.1088/1674-1056/21/5/057302
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Plasmons in a free-standing nanorod with a two-dimensional parabolic quantum well caused by surface states

Abstract: The collective charge density excitations in a free-standing nanorod with a two-dimensional parabolic quantum well are investigated within the framework of Bohm—Pine's random-phase approximation in the two-subband model. The new simplified analytical expressions of the Coulomb interaction matrix elements and dielectric functions are derived and numerically discussed. In addition, the electron density and temperature dependences of dispersion features are also investigated. We find that in the two-dimensional p… Show more

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