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Title: Magnetic Field Generation and Electron Acceleration in Relativistic Laser Channel

Abstract

The interaction between energetic electrons and a circularly polarized laser pulse inside an ion channel is studied. Laser radiation can be resonantly absorbed by electrons executing betatron oscillations in the ion channel and absorbing angular momentum from the laser. The absorbed angular momentum manifests itself as a strong axial magnetic field (inverse Faraday effect). The magnitude of this magnetic field is calculated and related to the amount of the absorbed energy. Absorbed energy and generated magnetic field are estimated for the small and large energy gain regimes. Qualitative comparisons with recent experiments are also made.

Authors:
; ; ;
Publication Date:
Research Org.:
Princeton Plasma Physics Lab., NJ (US)
Sponsoring Org.:
USDOE Office of Science (US)
OSTI Identifier:
792995
Report Number(s):
PPPL-3640
TRN: US0200875
DOE Contract Number:  
AC02-76CH03073
Resource Type:
Technical Report
Resource Relation:
Other Information: PBD: 12 Dec 2001
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; ACCELERATION; ANGULAR MOMENTUM; BETATRON OSCILLATIONS; ELECTRONS; LASER RADIATION; LASERS; MAGNETIC FIELDS; TAIL ELECTRONS

Citation Formats

I.Yu. Kostyukov, G. Shvets, N.J. Fisch, and J.M. Rax. Magnetic Field Generation and Electron Acceleration in Relativistic Laser Channel. United States: N. p., 2001. Web. doi:10.2172/792995.
I.Yu. Kostyukov, G. Shvets, N.J. Fisch, & J.M. Rax. Magnetic Field Generation and Electron Acceleration in Relativistic Laser Channel. United States. doi:10.2172/792995.
I.Yu. Kostyukov, G. Shvets, N.J. Fisch, and J.M. Rax. Wed . "Magnetic Field Generation and Electron Acceleration in Relativistic Laser Channel". United States. doi:10.2172/792995. https://www.osti.gov/servlets/purl/792995.
@article{osti_792995,
title = {Magnetic Field Generation and Electron Acceleration in Relativistic Laser Channel},
author = {I.Yu. Kostyukov and G. Shvets and N.J. Fisch and J.M. Rax},
abstractNote = {The interaction between energetic electrons and a circularly polarized laser pulse inside an ion channel is studied. Laser radiation can be resonantly absorbed by electrons executing betatron oscillations in the ion channel and absorbing angular momentum from the laser. The absorbed angular momentum manifests itself as a strong axial magnetic field (inverse Faraday effect). The magnitude of this magnetic field is calculated and related to the amount of the absorbed energy. Absorbed energy and generated magnetic field are estimated for the small and large energy gain regimes. Qualitative comparisons with recent experiments are also made.},
doi = {10.2172/792995},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Dec 12 00:00:00 EST 2001},
month = {Wed Dec 12 00:00:00 EST 2001}
}

Technical Report:

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