化学元素合成中孤子的能量相关存在性
Energy-dependent existence of soliton in the synthesis of chemical elements
摘要：
例如，轻化学元素是通过在恒星核心发生的离子碰撞产生的，在那里聚变对化学元素的合成特别重要。同时，孤子提供了非相互作用的透明性，导致了熔合截面的阻碍。为了解释在低入射能量下实际观测到的高熔合截面，有必要揭示孤子传输的抑制机制。本文基于系统的三维含时密度泛函计算，研究了具有一定入射能量、碰撞参量和核力参数的离子碰撞中孤子的存在性.结果表明，孤子的存在高度依赖于能量。因此，孤子的抑制是由于自旋轨道力和核力的动量相关分量。
英文摘要：
Light chemical elements are, for instance, produced through ion collisions taking place in the core of stars, where fusion is particularly important to the synthesis of chemical elements. Meanwhile soliton provides non-interacting transparency leading to the hindrance of fusion cross section. In order to explain high fusion cross section actually observed in low incident energies, it is necessary to discover the suppression mechanism of soliton propagation. In this paper, based on a systematic three-dimensional time-dependent density functional calculation, the existence of soliton is examined for ion collisions with some incident energies, impact parameters, and nuclear force parameter sets. As a result solitons are suggested to exist highly depending on the energy. The suppression of soliton is consequently due to the spin-orbit force and the momentum-dependent components of the nuclear force.
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