A Deterministic Wigner Transport Equation Solver with Infinite Correlation Length

Author:

Kim KyoungYeon1ORCID

Affiliation:

1. Seoul National University

Abstract

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.

Publisher

Research Square Platform LLC

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