标题： 温热效应和原子效应对耦合通道重离子熔合的影响 显示英文标题

标题： Thermal and atomic effects on coupled-channels heavy-ion fusion

摘要： 恒星核聚变反应发生在恒星内部的高温稠密等离子体中。为了描述这些环境的影响，使用开放量子系统的理论开展了热效应和原子效应对聚变概率影响的研究，研究范围涵盖广泛的温度和密度条件。由于低激发态在恒星温度下更易被占据，并且会增加核等离子体的相互作用速率，因此选择一个188Os核作为目标核，与惰性16O束流发生相互作用。关键结果表明，与零温计算相比，在0.1 MeV和0.5 MeV温度下，我们的测试核的聚变概率分别平均增加了15.5%和36.9%。利用处于激发态的靶核可以在实验室中测试热效应，这与利用激光-核相互作用设施设想的实验一致。 显示英文摘要

摘要： Stellar nuclear fusion reactions take place in a hot, dense plasma within stars. To account for the effect of these environments, the theory of open quantum systems is used to conduct pioneering studies of thermal and atomic effects on fusion probability at a broad range of temperatures and densities. Since low-lying excited states are more likely to be populated at stellar temperatures and increase nuclear plasma interaction rates, a 188Os nucleus was used as a target that interacts with an inert 16O projectile. Key results showed thermal effects yield an average increase in fusion probability of 15.5% and 36.9% for our test nuclei at temperatures of 0.1 and 0.5 MeV respectively, compared to calculations at zero temperature. Thermal effects could be tested in a laboratory using targets prepared in excited states as envisaged in facilities exploiting laser-nucleus interactions.