| Issue |
Europhys. Lett.
Volume 71, Number 3, August 2005
|
|
|---|---|---|
| Page(s) | 373 - 379 | |
| Section | Atomic and molecular physics | |
| DOI | https://doi.org/10.1209/epl/i2005-10090-6 | |
| Published online | 01 July 2005 | |
Multi-electron giant dipole resonances of atoms in crossed electric and magnetic fields
1
Theoretische Chemie, Physikalisch-Chemisches Institut, Universität Heidelberg Im Neuenheimer Feld 229, 69120 Heidelberg, Germany
2
Physikalisches Institut, Universität Heidelberg - Philosophenweg 12 69120 Heidelberg, Germany
Corresponding authors: sascha@tc.pci.uni-heidelberg.de dieter@tc.pci.uni-heidelberg.de peter@tc.pci.uni-heidelberg.de
Received:
21
April
2005
Accepted:
30
May
2005
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 stability analysis is performed. A classification of
the various modes, which are dominated either by the magnetic or
Coulomb interactions, is provided. A six-dimensional wave-packet
dynamical study, based on the MCTDH approach, is accomplished for
the two-electron resonances, yielding in particular lifetimes of
more than 0.1
for strong electric fields.
PACS: 32.60.+i – Zeeman and Stark effects / 32.10.-f – Properties of atoms / 32.30.-r – Atomic spectra
© EDP Sciences, 2005
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