arXivDaily arXiv每日学术速递 周一至周五更新
北美退伍军人节(Veterans Day),12 日无更新
arXiv physics/0207011physics.atm-clus
收藏

稀有气体小团簇的增强电离

Enhanced ionization in small rare gas clusters

Christian Siedschlag, Jan-Michael Rost

摘要:

对稀有气体原子团簇在强短脉冲激光作用下的能量吸收机制进行了详细的理论研究,发现其能量吸收机制类似于首次在双原子分子中发现的{ \it增强电离}。这种现象在原子元素(氖、氩、氪、氙)、团簇中的原子数(已研究了16至30个原子)和激光脉冲的流畅度的变化下是鲁棒的。与分子相反,它不会因为圆偏振而消失。我们开发了一个分析模型,最大电离的脉冲长度的集群的特征参数。

英文摘要:

A detailed theoretical investigation of rare gas atom clusters under intense short laser pulses reveals that the mechanism of energy absorption is akin to {\it enhanced ionization} first discovered for diatomic molecules. The phenomenon is robust under changes of the atomic element (neon, argon, krypton, xenon), the number of atoms in the cluster (16 to 30 atoms have been studied) and the fluency of the laser pulse. In contrast to molecules it does not dissappear for circular polarization. We develop an analytical model relating the pulse length for maximum ionization to characteristic parameters of the cluster.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑