Résumé
By use of high intensity XUV radiation from the FLASH free-electron laser at DESY, we have created highly excited exotic states of matter in solid-density aluminum samples. The XUV intensity is sufficiently high to excite an inner-shell electron from a large fraction of the atoms in the focal region. We show that soft-x-ray emission spectroscopy measurements reveal the electronic temperature and density of this highly excited system immediately after the excitation pulse, with detailed calculations of the electronic structure, based on finite-temperature density functional theory, in good agreement with the experimental results.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 225001 |
| journal | Physical Review Letters |
| Volume | 104 |
| Numéro de publication | 22 |
| Les DOIs | |
| état | Publié - 1 juin 2010 |
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