Quantum-fluid description of the free-electron laser

R. Bonifacio, N. Piovella, G.R.M. Robb, A. Serbeto

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)


Using the Madelung transformation we show that in a quantum free-electron laser the beam obeys the equations of a quantum fluid in which the potential is the classical potential plus a quantum potential. The classical limit is shown explicitly.
Original languageEnglish
Pages (from-to)015801
JournalPhysical Review A
Issue number1
Publication statusPublished - 15 Jan 2009


  • fourier analysis
  • free electron lasers
  • quantum fluids
  • quantum optics
  • quantum theory


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