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Describing heavy-ion fusion with quantum coupled-channels wave-packet dynamics

机译:用量子耦合通道的重离子融合波包动力学

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摘要

We investigate the fusion of O-16 and Sm-154 with excited states at Coulomb energies using a theoretical dynamical model. The two-body Schrodinger equation is solved using the time-dependent wave-packet coupled-channels method. The wave function of the collective motion and excitations are visualized in both position and momentum space, providing a detailed mechanism of the reaction. We benchmark our calculations of the energy-resolved fusion transmission coefficients with those from the time-independent coupled-channels method. The present results are in good agreement with the time-independent results for a wide range of energies and angular momenta, demonstrating both the reliability of the quantum wave-packet dynamical approach for fusion and its usefulness for providing additional insights into fusion dynamics.
机译:我们使用理论动力学模型调查O-16和SM-154在库仑能量的激发态的融合。 使用时间相关的波分组耦合通道方法来解决双体施罗格方程。 在位置和动量空间中可视化集体运动和激发的波函数,提供了反应的详细机制。 我们基准计算我们与来自时际耦合通道方法的节能融合透射系数的计算。 目前的结果与多种能量和角动势的无关结果良好,展示了融合的量子波分组动态方法的可靠性及其在融合动态中提供额外见解的实用性。

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