Control of electron beam polarization in the bubble regime of laser-wakefield acceleration
Electron beam polarization in the bubble regime of the interaction between a high-intensity laser and a longitudinally pre-polarized plasma is investigated by means of the Thomas–Bargmann–Michel–Telegdi equation. Using a test-particle model, the dependence of the accelerated electron polarization on...
| Main Authors: | , , , , , , , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
IOP Publishing
2022-01-01
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| Series: | New Journal of Physics |
| Subjects: | |
| Online Access: | https://doi.org/10.1088/1367-2630/ac8951 |
| _version_ | 1797748319509807104 |
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| author | H C Fan X Y Liu X F Li J F Qu Q Yu Q Kong S M Weng M Chen M Büscher P Gibbon S Kawata Z M Sheng |
| author_facet | H C Fan X Y Liu X F Li J F Qu Q Yu Q Kong S M Weng M Chen M Büscher P Gibbon S Kawata Z M Sheng |
| author_sort | H C Fan |
| collection | DOAJ |
| description | Electron beam polarization in the bubble regime of the interaction between a high-intensity laser and a longitudinally pre-polarized plasma is investigated by means of the Thomas–Bargmann–Michel–Telegdi equation. Using a test-particle model, the dependence of the accelerated electron polarization on the bubble geometry is analysed in detail. Tracking the polarization dynamics of individual electrons reveals that although the spin direction changes during both the self-injection process and acceleration phase, the former has the biggest impact. For nearly spherical bubbles, the polarization of electron beam persists after capture and acceleration in the bubble. By contrast, for aspherical bubble shapes, the electron beam becomes rapidly depolarized, and the net polarization direction can even reverse in the case of a oblate spheroidal bubble. These findings are confirmed via particle-in-cell simulations. |
| first_indexed | 2024-03-12T16:04:12Z |
| format | Article |
| id | doaj.art-04dea33de36b401b95a87fcd1c50f2e9 |
| institution | Directory Open Access Journal |
| issn | 1367-2630 |
| language | English |
| last_indexed | 2024-03-12T16:04:12Z |
| publishDate | 2022-01-01 |
| publisher | IOP Publishing |
| record_format | Article |
| series | New Journal of Physics |
| spelling | doaj.art-04dea33de36b401b95a87fcd1c50f2e92023-08-09T14:26:42ZengIOP PublishingNew Journal of Physics1367-26302022-01-0124808304710.1088/1367-2630/ac8951Control of electron beam polarization in the bubble regime of laser-wakefield accelerationH C Fan0X Y Liu1X F Li2https://orcid.org/0000-0002-7710-9800J F Qu3Q Yu4https://orcid.org/0000-0001-7223-3469Q Kong5https://orcid.org/0000-0001-7476-8571S M Weng6https://orcid.org/0000-0001-7746-9462M Chen7https://orcid.org/0000-0002-4290-9330M Büscher8https://orcid.org/0000-0001-5265-7248P Gibbon9https://orcid.org/0000-0002-5540-9626S Kawata10https://orcid.org/0000-0002-5830-2234Z M Sheng11https://orcid.org/0000-0002-8823-9993Key Laboratory of Nuclear Physics and Ion-Beam Application (MOE), Institute of Modern Physics, Department of Nuclear Science and Technology, Fudan University , Shanghai 200433, People’s Republic of ChinaKey Laboratory of Nuclear Physics and Ion-Beam Application (MOE), Institute of Modern Physics, Department of Nuclear Science and Technology, Fudan University , Shanghai 200433, People’s Republic of ChinaInstitute for Advanced Simulation , Jülich Supercomputing Centre, Forschungszentrum Jülich, 52425 Jülich, Germany; Key Laboratory for Laser Plasmas (MoE), School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China; Collaborative Innovation Centre of IFSA, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of ChinaKey Laboratory of Nuclear Physics and Ion-Beam Application (MOE), Institute of Modern Physics, Department of Nuclear Science and Technology, Fudan University , Shanghai 200433, People’s Republic of ChinaState Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences , Shanghai 201800, People’s Republic of ChinaKey Laboratory of Nuclear Physics and Ion-Beam Application (MOE), Institute of Modern Physics, Department of Nuclear Science and Technology, Fudan University , Shanghai 200433, People’s Republic of ChinaKey Laboratory for Laser Plasmas (MoE), School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China; Collaborative Innovation Centre of IFSA, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of ChinaKey Laboratory for Laser Plasmas (MoE), School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China; Collaborative Innovation Centre of IFSA, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of ChinaPeter Grünberg Institut (PGI-6) , Forschungszentrum Jülich, Wilhelm-Johnen-Str. 1, 52425 Jülich, Germany; Institut für Laser- und Plasmaphysik, Heinrich-Heine-Universität Düsseldorf , Universitätsstr. 1, 40225 Düsseldorf, GermanyInstitute for Advanced Simulation , Jülich Supercomputing Centre, Forschungszentrum Jülich, 52425 Jülich, Germany; Centre for Mathematical Plasma Astrophysics, Katholieke Universiteit Leuven , 3000 Leuven, BelgiumGraduate School of Engineering, Utsunomiya University , Utsunomiya 321-8585, JapanKey Laboratory for Laser Plasmas (MoE), School of Physics and Astronomy, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China; Collaborative Innovation Centre of IFSA, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of China; SUPA, Department of Physics, University of Strathclyde , Glasgow G4 0NG, United Kingdom; Tsung-Dao Lee Institute, Shanghai Jiao Tong University , Shanghai 200240, People’s Republic of ChinaElectron beam polarization in the bubble regime of the interaction between a high-intensity laser and a longitudinally pre-polarized plasma is investigated by means of the Thomas–Bargmann–Michel–Telegdi equation. Using a test-particle model, the dependence of the accelerated electron polarization on the bubble geometry is analysed in detail. Tracking the polarization dynamics of individual electrons reveals that although the spin direction changes during both the self-injection process and acceleration phase, the former has the biggest impact. For nearly spherical bubbles, the polarization of electron beam persists after capture and acceleration in the bubble. By contrast, for aspherical bubble shapes, the electron beam becomes rapidly depolarized, and the net polarization direction can even reverse in the case of a oblate spheroidal bubble. These findings are confirmed via particle-in-cell simulations.https://doi.org/10.1088/1367-2630/ac8951polarized electron beamlaser wakefield accelerationbubble geometryparticle-in-cell simulation |
| spellingShingle | H C Fan X Y Liu X F Li J F Qu Q Yu Q Kong S M Weng M Chen M Büscher P Gibbon S Kawata Z M Sheng Control of electron beam polarization in the bubble regime of laser-wakefield acceleration New Journal of Physics polarized electron beam laser wakefield acceleration bubble geometry particle-in-cell simulation |
| title | Control of electron beam polarization in the bubble regime of laser-wakefield acceleration |
| title_full | Control of electron beam polarization in the bubble regime of laser-wakefield acceleration |
| title_fullStr | Control of electron beam polarization in the bubble regime of laser-wakefield acceleration |
| title_full_unstemmed | Control of electron beam polarization in the bubble regime of laser-wakefield acceleration |
| title_short | Control of electron beam polarization in the bubble regime of laser-wakefield acceleration |
| title_sort | control of electron beam polarization in the bubble regime of laser wakefield acceleration |
| topic | polarized electron beam laser wakefield acceleration bubble geometry particle-in-cell simulation |
| url | https://doi.org/10.1088/1367-2630/ac8951 |
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