Quantum-trajectory calculations of proton–hydrogen model collisions

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• 作者：M.A. Acuñ ; a ; J. Fiol
• 关键词：Quantum mechanics ; Bohm ; Quantum-trajectories ; Stability matrix ; Schrö ; dinger equation ; Inelastic collisions
• 刊名：Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms
• 出版年：2009
• 出版时间：January 2009
• 年：2009
• 卷：267
• 期：2
• 页码：288-291
• 全文大小：595 K

文摘

We investigate a proton–hydrogen model collision using a method based on the de Broglie–Bohm formulation of quantum dynamics. By studying the quantum-trajectories of the particles we obtain approximate ionization and capture cross sections that are in good agreement with the exact values. In particular, the implementation of this high-order approximation method allows us to solve each trajectory independently. The method has a relatively low computational cost and can be straightforwardly parallelized for many bodies systems.