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Electron, positron, and photon wakefield acceleration: trapping, wake overtaking, and ponderomotive acceleration.

Authors
  • Esirkepov, T
  • Bulanov, S V
  • Yamagiwa, M
  • Tajima, T
Type
Published Article
Journal
Physical review letters
Publication Date
Jan 13, 2006
Volume
96
Issue
1
Pages
14803–14803
Identifiers
PMID: 16486465
Source
Medline
License
Unknown

Abstract

The electron, positron, and photon acceleration in the first cycle of a laser-driven wakefield is investigated. Separatrices between different types of the particle motion (trapped, reflected by the wakefield and ponderomotive potential, and transient) are demonstrated. The ponderomotive acceleration of electrons can be largely compensated by the wakefield action, in contrast to positrons and positively charged mesons. The electron bunch energy spectrum is analyzed. The maximum upshift of an electromagnetic wave frequency during reflection from the wakefield is obtained.

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