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arXiv physics/0508021physics.atom-ph
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正交电场和磁场中的N电子巨偶极态

N-Electron Giant Dipole States in Crossed Electric and Magnetic Fields

Sascha Zoellner, Hans-Dieter Meyer, Peter Schmelcher

摘要:

研究了电场和磁场相互作用下原子的多电子巨偶极共振。对应于一个高度对称的安排,偏心圆上的电子的固定配置,推导出,正常模式和稳定性分析进行。分类的各种模式,这是占主导地位的磁场或库仑相互作用,提供。基于MCTDH方法,我们进行了六维波包动力学研究的双电子共振,特别是产生的寿命超过0.1 $μ$ s的强电场。

英文摘要:

Multi-electron giant dipole resonances of atoms in crossed electric and magnetic fields are investigated. Stationary configurations corresponding to a highly symmetric arrangement of the electrons on a decentered circle are derived, and a normal-mode and stability analysis are performed. A classification of the various modes, which are dominated by the magnetic field or the Coulomb interactions, is provided. Based on the MCTDH approach, we carry out a six-dimensional wave-packet dynamical study for the two-electron resonances, yielding in particular lifetimes of more than 0.1 $μ$s for strong electric fields.

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