Adaptive artificial boundary condition for the two-level Schrödinger equation with conical crossings

Abstract

In this paper, we present an adaptive approach to design the artificial boundary conditions for the two-level Schrödinger equation with conical crossings on the unbounded domain. We use the windowed Fourier transform to obtain the local wave number information in the vicinity of artificial boundaries, and adopt the operator splitting method to obtain an… (More)
DOI: 10.1016/j.jcp.2010.11.004

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