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Title: Net energy gain in direct laser acceleration due to enhanced dephasing induced by an applied magnetic field

Abstract

Even in the situation where an electron interacts with a single plane wave, the well-known dynamical adiabaticity can be broken when an applied magnetic field is present, which will act to increase the dephasing rate of the electron during the interaction. Here we demonstrate this for the case where there is a uniform static magnetic field which is oriented either parallel or perpendicular to the electric field of the incident plane wave, and perpendicular to the direction of its propagation. The described energy gain phenomenon has direct relevance to laser-plasma interactions that involve external magnetic fields generated by laser-driven capacitor coils.

Authors:
 [1]; ORCiD logo [2]
  1. Science and Technology Facilities Council (STFC), Oxford (United Kingdom). Rutherford Appleton Lab. (RAL)
  2. Univ. of California at San Diego, La Jolla, California (United States). Dept. of Mechanical and Aerospace Engineering; Univ. of California San Diego, La Jolla, California (United States). Center for Energy Research
Publication Date:
Research Org.:
Univ. of California, San Diego, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1803356
Alternate Identifier(s):
OSTI ID: 1599473
Grant/Contract Number:  
SC0018312
Resource Type:
Accepted Manuscript
Journal Name:
Physics of Plasmas
Additional Journal Information:
Journal Volume: 27; Journal Issue: 2; Journal ID: ISSN 1070-664X
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; Magnetic fields; Laser plasma interactions; Electromagnetism; Net energy gain; Particle acceleration; Harmonic oscillator

Citation Formats

Robinson, A. P. L., and Arefiev, A. V. Net energy gain in direct laser acceleration due to enhanced dephasing induced by an applied magnetic field. United States: N. p., 2020. Web. doi:10.1063/1.5122893.
Robinson, A. P. L., & Arefiev, A. V. Net energy gain in direct laser acceleration due to enhanced dephasing induced by an applied magnetic field. United States. https://doi.org/10.1063/1.5122893
Robinson, A. P. L., and Arefiev, A. V. Thu . "Net energy gain in direct laser acceleration due to enhanced dephasing induced by an applied magnetic field". United States. https://doi.org/10.1063/1.5122893. https://www.osti.gov/servlets/purl/1803356.
@article{osti_1803356,
title = {Net energy gain in direct laser acceleration due to enhanced dephasing induced by an applied magnetic field},
author = {Robinson, A. P. L. and Arefiev, A. V.},
abstractNote = {Even in the situation where an electron interacts with a single plane wave, the well-known dynamical adiabaticity can be broken when an applied magnetic field is present, which will act to increase the dephasing rate of the electron during the interaction. Here we demonstrate this for the case where there is a uniform static magnetic field which is oriented either parallel or perpendicular to the electric field of the incident plane wave, and perpendicular to the direction of its propagation. The described energy gain phenomenon has direct relevance to laser-plasma interactions that involve external magnetic fields generated by laser-driven capacitor coils.},
doi = {10.1063/1.5122893},
journal = {Physics of Plasmas},
number = 2,
volume = 27,
place = {United States},
year = {Thu Feb 13 00:00:00 EST 2020},
month = {Thu Feb 13 00:00:00 EST 2020}
}

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