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초강력 레이저 과학 연구단
초강력 레이저과학 연구단
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Evidence for a glassy state in strongly driven carbon

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Title
Evidence for a glassy state in strongly driven carbon
Author(s)
Brown, C. R. D.; Gericke, D. O.; Cammarata, M.; Byeoung Ick Cho; Doeppner, T.; Engelhorn, K.; Foerster, E.; Fortmann, C.; Fritz, D.; Galtier, E.; Glenzer, S. H.; Harmand, M.; Heimann, P.; Kugland, N. L.; Lamb, D. Q.; Lee, H. J.; Lee, R. W.; Lemke, H.; Makita, M.; Moinard, A.; Murphy, C. D.; Nagler, B.; Neumayer, P.; Plagemann, K. -U.; Redmer, R.; Riley, D.; Rosmej, F. B.; Sperling, P.; Toleikis, S.; Vinko, S. M.; Vorberger, J.; White, S.; White, T. G.; Wuensch, K.; Zastrau, U.; Zhu, D.; Tschentscher, T.; Gregori, G.
Publication Date
2014-06
Journal
SCIENTIFIC REPORTS, v.4, no., pp.5214-1 - 5214-6
Publisher
NATURE PUBLISHING GROUP
Abstract
Here, we report results of an experiment creating a transient, highly correlated carbon state using a combination of optical and X-ray lasers. Scattered X-rays reveal a highly ordered state with an electrostatic energy significantly exceeding the thermal energy of the ions. Strong Coulomb forces are predicted to induce nucleation into a crystalline ion structure within a few picoseconds. However, we observe no evidence of such phase transition after several tens of picoseconds but strong indications for an over-correlated fluid state. The experiment suggests a much slower nucleation and points to an intermediate glassy state where the ions are frozen close to their original positions in the fluid. © 2014 Macmillan Publishers Limited. All rights reserved.
URI
http://pr.ibs.re.kr/handle/8788114/1011
DOI
10.1038/srep05214
ISSN
2045-2322
Appears in Collections:
Center for Relativistic Laser Science(초강력 레이저과학 연구단) > Journal Papers (저널논문)
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