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Analytical estimates of proton acceleration in laser-produced turbulent plasmas

Abstract:

With the advent of high power lasers, new opportunities have opened up for simulating astrophysical processes in the laboratory. We show that second-order Fermi acceleration can be directly investigated at the National Ignition Facility, Livermore. This requires measuring the momentum-space diffusion of 3 MeV protons produced within a turbulent plasma generated by a laser. Treating Fermi acceleration as a biased diffusion process, we show analytically that a measurable broadening of the initi...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1017/S0022377818001149

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Oxford college:
Linacre College
Role:
Author
ORCID:
0000-0002-3542-858X
More from this funder
Name:
Engineering and Physical Sciences Research Council
Grant:
EP/P010059/1
More from this funder
Name:
Danish National Research Foundation
Funding agency for:
Sarkar, S
Publisher:
Cambridge University Press
Journal:
Journal of Plasma Physics More from this journal
Volume:
84
Issue:
6
Article number:
905840608
Publication date:
2018-11-19
Acceptance date:
2018-10-16
DOI:
EISSN:
1469-7807
ISSN:
0022-3778
Keywords:
Pubs id:
pubs:907600
UUID:
uuid:6f632e5a-9c29-43c1-ae89-84dd96dc4264
Local pid:
pubs:907600
Source identifiers:
907600
Deposit date:
2018-10-21

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