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24 April 2024

» arxiv » cond-mat/0108430

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Far infrared absorption in triangular and square quantum dots: characterization of corner and side modes
Manuel Val’{i}n-Rodr’{i}guez ; Antonio Puente ; Llorenç Serra ;
Date:	27 Aug 2001
Journal:	PRB 64, 205307 (2001)
Subject:	Mesoscopic Systems and Quantum Hall Effect; Materials Science \| cond-mat.mes-hall cond-mat.mtrl-sci
Abstract:	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.
Source:	arXiv, cond-mat/0108430
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