期刊
INTERNATIONAL JOURNAL OF QUANTUM CHEMISTRY
卷 107, 期 7, 页码 1566-1573出版社
WILEY
DOI: 10.1002/qua.21301
关键词
adaptive grids; quantum trajectories
Recently, we reported a novel method for integrating the time dependent Schrodinger equation which used hydrodynamic quantum trajectories to adapt the boundaries of a fixed spatial grid. The moving boundary truncation (MBT) method significantly reduced the number of grid points needed to perform accurate calculations while maintaining stability during the time propagation. In this work, the method is extended to multidimensional examples. The application of MBT to scattering on 2D and 3D potential energy surfaces shows a greater decrease in the number of grid points needed compared with full fixed grids while maintaining excellent accuracy and stability, even for very long propagation times. (c) 2007 Wiley Periodicals, Inc.
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