稠密氢等离子体中快重离子射弹的能量损失
Energy losses of fast heavy-ion projectiles in dense hydrogen plasmas
摘要：
最近的研究表明，计算稠密氢等离子体中快重离子射弹能量损失的Bethe-Larkin公式可由电子-离子关联修正[Phys. Rev. Lett. \textbf{101}，075002（2008）]。我们报告了基于[Phys. Rev. EPDMATHABMO，3470（2000）]中通过数值模拟获得的$g_{ei}(0)$值的该校正的数值估计。我们也将这个结果推广到具有双团电荷分布的射弹情形。我们表明，在具有随机取向的电荷中心的双团簇射弹的情况下，增强了电子-离子相关校正的实验可见性。虽然我们在这里考虑氢等离子体，使物理上的效果更清楚，推广到多物种等离子体是直截了当的。
英文摘要：
It has been recently shown that the Bethe-Larkin formula for the energy losses of fast heavy-ion projectiles in dense hydrogen plasmas is corrected by the electron-ion correlations [Phys. Rev. Lett. \textbf{101}, 075002 (2008)]. We report numerical estimates of this correction based on the values of $g_{ei}(0)$ obtained by numerical simulations in [Phys. Rev. E \textbf{61}, 3470 (2000)]. We also extend this result to the case of projectiles with dicluster charge distribution. We show that the experimental visibility of the electron-ion correlation correction is enhanced in the case of dicluster projectiles with randomly orientated charge centers. Although we consider here the hydrogen plasmas to make the effect physically more clear, the generalization to multispecies plasmas is straightforward.
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