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      Paralelización del modelo híbrido clásico-cuántico para un dispositivo semiconductor Mosfet nanométrico Translated title: Parallelization of a quantum-classic hybrid model for nanoscale semiconductor devices

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          Abstract

          El transformar un software secuencial en uno paralelo, es costoso y difícil, lo cual constituye solo dos de los muchos obstáculos técnicos y económicos que se tienen que enfrentar cuando se desea hacer uso de sistemas HPC. En este trabajo investigamos la posibilidad de mejorar de forma rápida y eficiente el desempeño de un código numérico secuencial que se encarga de realizar la simulación del comportamiento y transporte de un flujo de electrones en un dispositivo semiconductor MOSFET doble puerta y de escala nanométrico. Se introduce el modelo Drift-Diffusion-Schrödinger-Poisson (DDSP) y se estudia una estrategia de paralelización rápida del procedimiento numérico, óptimo específicamente para arquitecturas a memoria compartida.

          Translated abstract

          The expensive reengineering of the sequential software and the difficult parallel programming are two of the many technical and economic obstacles to the wide use of HPC. We investigate the chance to improve in a rapid way the performance of a numerical serial code for the simulation of the transport of a charged carriers in a Double-Gate MOSFET. We introduce the Drift-Diffusion-Schrödinger-Poisson (DDSP) model and we study a rapid parallelization strategy of the numerical procedure on shared memory architectures.

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          Most cited references14

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          A self-consistent iterative scheme for one-dimensional steady state transistor calculations

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            A Stationary Schrödinger-Poisson System Arising from the Modelling of Electronic Devices

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              The Physics of Low-Dimensional Semiconductors

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Role: ND
                Journal
                rmta
                Revista de Matemática Teoría y Aplicaciones
                Rev. Mat
                Publicación del Centro de Investigaciones en Matemática Pura y Aplicada (CIMPA) (San José )
                1409-2433
                December 2011
                : 18
                : 2
                : 231-248
                Affiliations
                [1 ] Universidad Nacional
                [2 ] Universities and Research (CASPUR) Italy
                [3 ] Institute of Applied Mathematics and Information Technologies Italy
                [4 ] Institute of Applied Mathematics and Information Technologies Italy
                [5 ] Institute of Applied Mathematics and Information Technologies Italy
                Article
                S1409-24332011000200003
                67508de3-8b8e-4b0e-9008-757aa0e368c2

                http://creativecommons.org/licenses/by/4.0/

                History
                Product

                SciELO Costa Rica

                Self URI (journal page): http://www.scielo.sa.cr/scielo.php?script=sci_serial&pid=1409-2433&lng=en
                Categories
                Mathematics
                Mathematics, Applied

                Applied mathematics,General mathematics
                Parallelization,Shared memory paradigm,Schrödinger equation,Drift-Difusion system,Subband model,Nanotransistor,Paralelezación,Paradigma de Memoria Compartida,Ecuación de Schrödinger,Sistemas Drift-Difusion,Modelo Subband,Nanotubos

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