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Carmesin, C. Moritz and Kling, Peter and Giese, Enno and Sauerbrey, Roland and Schleich, Wolfgang P. (2020) Quantum and classical phase-space dynamics of a free-electron laser. Physical Review Research, 2, 023027. American Physical Society. doi: 10.1103/PhysRevResearch.2.023027. ISSN 2643-1564.
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Official URL: https://doi.org/10.1103/PhysRevResearch.2.023027
Abstract
In a quantum mechanical description of the free-electron laser (FEL), the electrons jump on discrete momentum ladders, while they follow continuous trajectories according to the classical description. In order to observe the transition from quantum to classical dynamics, it is not sufficient that many momentum levels are involved. Only if additionally the initial momentum spread of the electron beam is larger than the quantum mechanical recoil, caused by the emission and absorption of photons, the quantum dynamics in phase space resembles the classical one. Beyond these criteria, quantum signatures of averaged quantities like the FEL gain might be washed out.
| Item URL in elib: | https://elib.dlr.de/141384/ | ||||||||||||||||||||||||
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| Document Type: | Article | ||||||||||||||||||||||||
| Title: | Quantum and classical phase-space dynamics of a free-electron laser | ||||||||||||||||||||||||
| Authors: |
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| Date: | 10 April 2020 | ||||||||||||||||||||||||
| Journal or Publication Title: | Physical Review Research | ||||||||||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||||||||||
| Open Access: | Yes | ||||||||||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||||||||||
| In SCOPUS: | Yes | ||||||||||||||||||||||||
| In ISI Web of Science: | Yes | ||||||||||||||||||||||||
| Volume: | 2 | ||||||||||||||||||||||||
| DOI: | 10.1103/PhysRevResearch.2.023027 | ||||||||||||||||||||||||
| Page Range: | 023027 | ||||||||||||||||||||||||
| Publisher: | American Physical Society | ||||||||||||||||||||||||
| ISSN: | 2643-1564 | ||||||||||||||||||||||||
| Status: | Published | ||||||||||||||||||||||||
| Keywords: | Freie-Elektronen-Laser, Quantenphysik, Phasenraum, Wigner-Funktion | ||||||||||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||||||||||
| HGF - Program: | Space | ||||||||||||||||||||||||
| HGF - Program Themes: | other | ||||||||||||||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||||||||||||||
| DLR - Program: | R - no assignment | ||||||||||||||||||||||||
| DLR - Research theme (Project): | R - no assignment | ||||||||||||||||||||||||
| Location: | Ulm | ||||||||||||||||||||||||
| Institutes and Institutions: | Institute of Quantum Technologies | ||||||||||||||||||||||||
| Deposited By: | Kling, Peter | ||||||||||||||||||||||||
| Deposited On: | 16 Mar 2021 21:48 | ||||||||||||||||||||||||
| Last Modified: | 01 Feb 2025 04:18 |
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- Quantum and classical phase-space dynamics of a free-electron laser. (deposited 16 Mar 2021 21:48) [Currently Displayed]
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