Quantum Monte-Carlo Study of Electron Correlation in Heterostructure Quantum Dots

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Description

The goal of this project is to study electron correlation in a confined geometry (quantum dots) within the two-dimensional quantum well in the sandwiches of two semiconductor materials. For these systems one is able to tune the electronic properties by controlling the size and the electron number, creating tremendous potential for novel applications. Much effort in this emerging field has been devoted to producing entangled states that are required for quantum information processing. At the same time, new physical phenomena have emerged from these artificial structures. Adding electrons to a quantum dot is more complicated than filling up discrete energy ... continued below

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293 KB

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Chou, Mei-Yin November 12, 2006.

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Description

The goal of this project is to study electron correlation in a confined geometry (quantum dots) within the two-dimensional quantum well in the sandwiches of two semiconductor materials. For these systems one is able to tune the electronic properties by controlling the size and the electron number, creating tremendous potential for novel applications. Much effort in this emerging field has been devoted to producing entangled states that are required for quantum information processing. At the same time, new physical phenomena have emerged from these artificial structures. Adding electrons to a quantum dot is more complicated than filling up discrete energy levels due to electron correlation. Therefore, our project is focusing on employing the state-of-the-art quantum Monte Carlo methods to study the electron-electron interaction. A close examination of the breakdown of Hund's rules and electron localization has been conducted in our simulations. The results are summarized in this report.

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293 KB

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  • Report No.: DOE/ER/45930-4
  • Grant Number: FG02-01ER45930
  • DOI: 10.2172/894945 | External Link
  • Office of Scientific & Technical Information Report Number: 894945
  • Archival Resource Key: ark:/67531/metadc881949

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  • November 12, 2006

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Nov. 4, 2016, 3:19 p.m.

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Chou, Mei-Yin. Quantum Monte-Carlo Study of Electron Correlation in Heterostructure Quantum Dots, report, November 12, 2006; United States. (digital.library.unt.edu/ark:/67531/metadc881949/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.