P. M. Phillips, E. G. Zaidman, H. P. Freund, A. K. Gan- guly and N. R. Vanderplaats, “Review of Two-Stream Am- plifier Performance,” IEEE Transactions on Electron De- vices, Vol. 37, No. 3, 1990, pp. 870-877. doi:10.1103/PhysRevA.36.2199

has been cited by the following article:

• TITLE: The Study and Investigation of Electron Trajectories in Free Electron Laser with Realizable Helical Wiggler and Ion Channel Guiding: A Computational Study

  AUTHORS: Alireza Heidari, Mohammadali Ghorbani

  KEYWORDS: Free Electron Laser; Ion Channel; Realizable Helical Wiggler; Electron Trajectories; Velocity of Electron

  JOURNAL NAME: Journal of Modern Physics, Vol.3 No.3, March 28, 2012

  ABSTRACT: The following article has been retracted due to the investigation of complaints received against it. Mr. Mohammadali Ghorbani (corresponding author and also the last author) cheated the author’s name: Alireza Heidari. The scientific community takes a very strong view on this matter and we treat all unethical behavior such as plagiarism seriously. This paper published in Vol.3 No.3, 278-281, 2012, has been removed from this site.