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Resolving ultrafast heating of dense cryogenic hydrogen.

Abstract:

We report on the dynamics of ultrafast heating in cryogenic hydrogen initiated by a ≲300  fs, 92 eV free electron laser x-ray burst. The rise of the x-ray scattering amplitude from a second x-ray pulse probes the transition from dense cryogenic molecular hydrogen to a nearly uncorrelated plasmalike structure, indicating an electron-ion equilibration time of ∼0.9  ps. The rise time agrees with radiation hydrodynamics simulations based on a conductivity model for partially ionized plasma that i...

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Publication status:
Published

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Publisher:
American Physical Society
Journal:
Physical review letters
Volume:
112
Issue:
10
Pages:
105002
Publication date:
2014-03-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:edae4003-8605-4afe-be94-aa7deba2a36c
Source identifiers:
458617
Local pid:
pubs:458617
Language:
English

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