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Journal of Computational Electronics

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11-07-2023

A deterministic Wigner transport equation solver with infinite correlation length

Author: Kyoung Yeon Kim

Published in: Journal of Computational Electronics | Issue 5/2023

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Abstract

We propose a new formulation of the Wigner transport equation (WTE) with infinite correlation length. Since the maximum correlation length is not limited to a finite value, there is no uncertainty in the simulation results owing to the finite integral range of the nonlocal potential term. For general and efficient simulation, the proposed WTE formulation is solved self-consistently with the Poisson equation through the finite volume method and the fully coupled Newton–Raphson scheme. Through this, we implemented a quantum transport steady state and transient simulator with excellent convergence.

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Title: A deterministic Wigner transport equation solver with infinite correlation length
Author: Kyoung Yeon Kim
Publication date: 11-07-2023
Publisher: Springer US
Published in: Journal of Computational Electronics / Issue 5/2023
Print ISSN: 1569-8025
Electronic ISSN: 1572-8137
DOI: https://doi.org/10.1007/s10825-023-02079-9

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A deterministic Wigner transport equation solver with infinite correlation length

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Springer Professional "Technik"

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Special issue on ab initio simulations of electron and phonon transport in nanostructures

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