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Electron Transport via Surface Acoustic Waves

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Electrons trapped and transported via surface acoustic waves (SAW) have been proposed as a possible implementation of quantum computation in the literature. However, if we are to achieve a level of precision required in a reliable and efficient quantum computer, we need to determine the characteristics of transport dynamics as precisely as possible. In this paper we present a detailed study of the electron transport process using a novel theoretical model in terms of Fermi wave packets. We investigate closely the role played by quantum mechanical processes in the transport dynamics. We also present a simple method for estimating the expected transmission spectra, based on the minimum depth of the moving SAW dot and the energy distribution of the system.
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Keywords: ELECTRON TRANSPORT; QUANTUM DOT; QUANTUM DYNAMICS; SURFACE ACOUSTIC WAVE

Document Type: Research Article

Publication date: 2010-09-01

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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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