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Equilibration dynamics and conductivity of warm dense hydrogen

Abstract:

We investigate subpicosecond dynamics of warm dense hydrogen at the XUV free-electron laser facility (FLASH) at DESY (Hamburg). Ultrafast impulsive electron heating is initiated by a â‰300-fs short x-ray burst of 92-eV photon energy. A second pulse probes the sample via x-ray scattering at jitter-free variable time delay. We show that the initial molecular structure dissociates within (0.9±0.2) ps, allowing us to infer the energy transfer rate between electrons and ions. We evaluate Saha and ...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevE.90.013104

Authors


Zastrau, U More by this author
Sperling, P More by this author
Bornath, T More by this author
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Publisher:
American Physical Society
Journal:
PHYSICAL REVIEW E
Volume:
90
Issue:
1
Publication date:
2014-07-18
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
URN:
uuid:49fc05eb-e760-4c04-b87e-58e9569d2721
Source identifiers:
480683
Local pid:
pubs:480683
Language:
English

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