Observation and characterization of laser-driven Phase Space Electron Holes

Gianluca Sarri, Mark Eric Dieckmann, C.R.D. Brown, Carlo Cecchetti, D.J. Hoarty, S.F. James, R. Jung, Ioannis Kourakis, H. Schamel, O. Willi, Marco Borghesi

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Abstract

The direct observation and full characterization of a phase space electron hole (EH) generated during laser-matter interaction is presented. This structure, propagating in a tenuous, nonmagnetized plasma, has been detected via proton radiography during the irradiation with a ns laser pulse (I?2 ˜ 1014 W/cm2) of a gold hohlraum. This technique has allowed the simultaneous detection of propagation velocity, potential, and electron density spatial profile across the EH with fine spatial and temporal resolution allowing a detailed comparison with theoretical and numerical models.
Original languageEnglish
Article number010701
Number of pages4
JournalPhysics of Plasmas
Volume17
Issue number1
Early online date07 Jan 2010
DOIs
Publication statusPublished - Jan 2010

Bibliographical note

Funding for this research has been provided by the AWE Academic Access Scheme, EPSRC Grant Nos. EP/E035728/1 and EP/C003586/1, by DFG TR 18, GK 1203, and FOR 1048 VR. The work of I.K. was supported by EPSRC-GB Science and Innovation award in Plasma Physics to the Centre for Plasma Physics (Grant No. EP/D06337X/1). The authors acknowledge the support of the HELEN Facility laser and target preparation personnel and K. Quinn for fruitful discussions.

ASJC Scopus subject areas

  • Condensed Matter Physics

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    Sarri, G., Dieckmann, M. E., Brown, C. R. D., Cecchetti, C., Hoarty, D. J., James, S. F., Jung, R., Kourakis, I., Schamel, H., Willi, O., & Borghesi, M. (2010). Observation and characterization of laser-driven Phase Space Electron Holes. Physics of Plasmas, 17(1), [010701]. https://doi.org/10.1063/1.3286438