Relativistic quantum dynamics and quantum noise in short-wavelength free-electron lasers

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Abstract

A novel relativistic quantum theory of the free-electron laser is formulated using the Dirac equation. It is shown that the theory has the correct classical limit. It is predicted that for two-stage free-electron lasers, quantum noise can be comparable to the classical noise due to the thermal spread of the beam or the random initial distribution of electrons in phase.

Original languageEnglish (US)
Pages (from-to)1009-1012
Number of pages4
JournalPhysical Review A
Volume37
Issue number3
DOIs
StatePublished - Jan 1 1988
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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