Far infrared absorption in triangular and square quantum dots: characterization of corner and side modes

Details Far infrared absorption in triangular and square quantum dots: characterization of corner and side modes Far infrared absorption in triangular and square quantum dots: characterization of corner and side modes

2001-08-27

arxiv.org/abs/cond-mat/0108430v1

PRB 64, 205307 (2001)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

9 pages,7 figures in separate files

Scientific paper

10.1103/PhysRevB.64.205307

The far-infrared absorption of triangular and square two-dimensional quantum dots is studied by means of time simulations of the density oscillations within the time-dependent local-spin-density approximation. The absorption is spatially analyzed using a local-response theory that allows the identification of {\em corner} and {\em side} modes in the geometric nanostructures. The evolution with a vertical magnetic field of varying intensity is also discussed.

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