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Effects of Initial Conditions in Population Dynamics of a Double Quantum Dot

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Abstract:

The dynamics of an electron in a coupled quantum dot is systematically investigated for arbitrary initial conditions. We mainly study the case of small initial fluctuations around the equal distribution of the electron occupation probability in the two-dot system. In this case we find conditions for the realization of symmetry-breaking instability. The reported results are explained by means of analytic expressions.

Keywords: COULOMB CHARGING ENERGY; POPULATION TRANSFER; QUANTUM DOT; SYMMETRY BREAKING

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jctn.2010.1385

Publication date: February 1, 2010

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  • Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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