A semiclassical approach to the ground state and density oscillations of quantum dots

Details A semiclassical approach to the ground state and density oscillations of quantum dots A semiclassical approach to the ground state and density oscillations of quantum dots

1999-10-21

arxiv.org/abs/cond-mat/9910324v1

Physica E 8, 387 (2000)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

REVTEX, 8 PDF figures, accepted in Physica E

Scientific paper

10.1016/S1386-9477(99)00042-9

A semiclassical Thomas-Fermi method, including a Weizs\"acker gradient term, is implemented to describe ground states of two dimensional nanostructures of arbitrary shape. Time dependent density oscillations are addressed in the same spirit using the corresponding semiclassical time-dependent equations. The validity of the approximations is tested, both for ground state and density oscillations, comparing with the available microscopic Kohn-Sham solutions.

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