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Full Record Details
Persistent URL
http://purl.org/net/epubs/work/12312969
Record Status
Checked
Record Id
12312969
Title
Azimuthal asymmetry in collective electron dynamics in relativistically transparent laser–foil interactions
Contributors
RJ Gray (Strathclyde Univ.)
,
DA MacLellan (Strathclyde Univ.)
,
B Gonzalez-Izquierdo (Strathclyde Univ.)
,
HW Powell (Strathclyde Univ.)
,
DC Carroll (STFC Rutherford Appleton Lab.)
,
CD Murphy
,
LC Stockhausen
,
DR Rusby (STFC Rutherford Appleton Lab., and Strathclyde Univ.)
,
GG Scott (STFC Rutherford Appleton Lab., and Strathclyde Univ.)
,
R Wilson (Strathclyde Univ.)
,
N Booth (STFC Rutherford Appleton Lab.)
,
DR Symes (STFC Rutherford Appleton Lab.)
,
SJ Hawkes (STFC Rutherford Appleton Lab.)
,
R Torres
,
M Borghesi
,
D Neely (STFC Rutherford Appleton Lab., and Strathclyde Univ.)
,
P McKenna
Abstract
Asymmetry in the collective dynamics of ponderomotively-driven electrons in the interaction of an ultraintense laser pulse with a relativistically transparent target is demonstrated experimentally. The 2D profile of the beam of accelerated electrons is shown to change from an ellipse aligned along the laser polarization direction in the case of limited transparency, to a double-lobe structure aligned perpendicular to it when a significant fraction of the laser pulse co-propagates with the electrons. The temporally-resolved dynamics of the interaction are investigated via particle-in-cell simulations. The results provide new insight into the collective response of charged particles to intense laser fields over an extended interaction volume, which is important for a wide range of applications, and in particular for the development of promising new ultraintense laser-driven ion acceleration mechanisms involving ultrathin target foils.
Organisation
CLF
,
CLF-HPL
,
CLF-ASTRA
,
CI
,
STFC
Keywords
Funding Information
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Language
English (EN)
Type
Details
URI(s)
Local file(s)
Year
Journal Article
New J Phys
16 (2014): 093027.
doi:10.1088/1367-2630/16/9/093027
2014
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