Title: Finite-element implementation for electron transport in nanostructures
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منابع مشابه
Title: Nonequilibrium electron transport in two-dimensional nanostructures modeled using Greens functions and the finite-element method
Rights: © 2004 American Physical Society (APS). This is the accepted version of the following article: Havu, P. & Havu, V. & Puska, M. J. & Nieminen, R. M. 2004. Nonequilibrium electron transport in two-dimensional nanostructures modeled using Greens functions and the finite-element method. Physical Review B. Volume 69, Issue 11. 115325/1-13. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb....
متن کاملAIP Finite-element implementation for electron transport in nanostructures
We have modeled transport properties of nanostructures using the Green’s function method within the framework of the density-functional theory. The scheme is computationally demanding so that numerical methods have to be chosen carefully. A typical solution to the numerical burden is to use a special basis-function set, which is tailored to the problem in question, for example, the atomic orbit...
متن کاملFinite-element implementation for electron transport in nanostructures.
We have modeled transport properties of nanostructures using Green's-function method within the framework of the density-functional theory. The scheme is computationally demanding, so numerical methods have to be chosen carefully. A typical solution to the numerical burden is to use a special basis-function set, which is tailored to the problem in question, for example, the atomic-orbital basis...
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In this work we study coupled incompressible viscous flow and advective-diffusive transport of a scalar. Both the Navier-Stokes and transport equations are solved using an Eulerian approach. The SUPG/PSPG stabilized finite element formulation is applied for the governing equations. The implementation is held using the libMEsh finite element library which provides support for parallel adaptive m...
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In recent years, semiconductor nanostructures have become the model systems of choice for investigation of electrical conduction on short length scales. Quantum transport is studied in a two dimensional electron gas because of the combination of a large Fermi wavelength and large mean free path. In the present work, a numerical method is implemented in order to contribute to the understanding ...
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تاریخ انتشار 2015