| Issue |
EPL
Volume 115, Number 3, August 2016
|
|
|---|---|---|
| Article Number | 34004 | |
| Number of page(s) | 3 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/115/34004 | |
| Published online | 13 September 2016 | |
A fully quantum theory of high-gain free-electron laser
1 INFN-LNF - Via Enrico Fermi, 40, I-00044, Frascati (Roma), Italy
2 Dipartimento di Fisica, Universita Degli Studi di Milano - Via Celoria 16, I-20133 Milano, Italy
3 Department of Physics, Faculty of Science, Assiut University - Assiut 71516, Egypt
Received: 28 June 2016
Accepted: 24 August 2016
The previous theory of high-gain free-electron laser (FEL) operating in the quantum regime is semiclassical because the electron dynamic is quantized but the radiation field is classically described. Here, we present for the first time a fully quantum-mechanical theory where also the field is quantized. We shall restrict to the FEL operation in the steady-state regime where the slippage length is much smaller than the bunch length. The results predicted by this theory are quite different from those of the semiclassical theory.
PACS: 41.60.Cr – Free-electron lasers / 52.59.-f – Intense particle beams and radiation sources / 42.50.Ct – Quantum description of interaction of light and matter; related experiments
© EPLA, 2016
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