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Ultrafast melting of carbon induced by intense proton beams

By A. Pelka, Gianluca Gregori, Dirk O. Gericke, Jan Vorberger, S. H. Glenzer, M. Günther, K. Harres, R. (Rob) Heathcote, A. Kritcher, N. Kugland, B. Li, M. Makita, J. Mithen, D. Neely, C. Niemann, A. Otten, D. (Dave) Riley, G. Schaumann, M. Schollmeier, An. Tauschwitz and M. Roth


Laser-produced proton beams have been used to achieve ultrafast volumetric heating of carbon samples at solid density. The isochoric melting of carbon was probed by a scattering of x rays from a secondary laser-produced plasma. From the scattering signal, we have deduced the fraction of the material that was melted by the inhomogeneous heating. The results are compared to different theoretical approaches for the equation of state which suggests modifications from standard models

Topics: QC
Publisher: American Physical Society
Year: 2010
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