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Modelling gamma-ray photon emission and pair production in high-intensity laser–matter interactions
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Ridgers, C. P., Kirk, J. G., Duclous, R., Blackburn, T. G., Brady, Christopher S., Bennett, Keith, Arber, T. D. and Bell, A. R. (2014) Modelling gamma-ray photon emission and pair production in high-intensity laser–matter interactions. Journal of Computational Physics, 260 . pp. 273-285. doi:10.1016/j.jcp.2013.12.007
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WRAP-modelling-gamma-ray-photon-emission-pair-production-high-intensity-laser–matter-interactions-Arber-2014.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (811Kb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.jcp.2013.12.007
Abstract
In high-intensity ( > 10 21 Wcm − 2 ) laser–matter interactions gamma-ray photon emission by the electrons can strongly affect the electronʼs dynamics and copious numbers of electron–positron pairs can be produced by the emitted photons. We show how these processes can be included in simulations by coupling a Monte Carlo algorithm describing the emission to a particle-in-cell code. The Monte Carlo algorithm includes quantum corrections to the photon emission, which we show must be included if the pair production rate is to be correctly determined. The accuracy, convergence and energy conservation properties of the Monte Carlo algorithm are analysed in simple test problem.
| Item Type: | Journal Article | |||||||||
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| Subjects: | Q Science > QC Physics | |||||||||
| Divisions: | Faculty of Science > Physics | |||||||||
| Library of Congress Subject Headings (LCSH): | Photon emission -- Simulation methods, Monte Carlo method, Algorithms | |||||||||
| Journal or Publication Title: | Journal of Computational Physics | |||||||||
| Publisher: | Academic Press Inc. Elsevier Science | |||||||||
| ISSN: | 1090-2716 | |||||||||
| Official Date: | 1 March 2014 | |||||||||
| Dates: |
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| Volume: | 260 | |||||||||
| Page Range: | pp. 273-285 | |||||||||
| DOI: | 10.1016/j.jcp.2013.12.007 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | Published | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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