核裂变动力学的微观理论

Jhilam Sadhukhan
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引用次数: 0

摘要

由于近年来高性能计算技术的发展,核理论研究正处于复兴阶段。由于原子核是一个具有复杂粒子间相互作用的量子多体系统,最初的理论发展主要基于不同的现象学模型,并在大量简化假设的帮助下推导出来。虽然提出了适当的核多体理论,但由于计算能力的限制,这些理论几乎没有被实际应用。然而,自过去十年以来,由于计算能力和相关数值技术的迅速提高,这种情况发生了改变。现在,具有卓越预测能力的现实微观理论已被广泛应用于实验室无法解决的系统中。这篇综述讨论了大振幅核动力学微观理论的最新成就。特别是,在简洁的历史介绍之后,重点讨论了核裂变动力学的微观建模。此外,还简要提及了相关的未来发展方向。
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Microscopic theory for nuclear fission dynamics

Nuclear theory research is undergoing a renaissance owing to the recent advancements in the high-performance computing. As nucleus is a quantum many-body system with complicated interparticle interactions, initial theoretical developments were predominantly based on different phenomenological models derived with the help of numerous simplifying assumptions. Although appropriate nuclear many-body theories were formulated, these were hardly adopted in practical applications because of computational limitations. However, since the last decade, this scenario has changed as a result of rapid improvements in the computational power and the associated numerical techniques. Realistic microscopic theories with superior predictive power are now routinely used even for systems which are far beyond the laboratory reach. This review discusses recent achievements in the microscopic theories of large amplitude nuclear dynamics. Particularly, after a succinct historical introduction, emphasis is given to the discussions on the microscopic modelling of nuclear fission dynamics. Also, related future directions are mentioned in brief.

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