Designing A Buildable Optimized Stellarator to Confine Electron-Positron Plasmas
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arXiv
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| Main Authors: | , , , , , , , , , |
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| Format: | Preprint |
| Published: |
2026
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| _version_ | 1866912963202383872 |
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| author | Gil, Pedro F. Smoniewski, Jason Huslage, Paul Jorge, Rogerio Thun, Timo Buglione-Ceresa, Elisa Schuler, Tristan Fingl, Stefan Ducas, Grégoire-Hubert Stenson, Eve V. |
| author_facet | Gil, Pedro F. Smoniewski, Jason Huslage, Paul Jorge, Rogerio Thun, Timo Buglione-Ceresa, Elisa Schuler, Tristan Fingl, Stefan Ducas, Grégoire-Hubert Stenson, Eve V. |
| contents | In this paper, the design of the the plasma equilibrium and superconducting coils for the Electrons and Positrons in an Optimized Stellarator EPOS experiment is presented. With newly developed stellarator optimization tools, including single-stage and stochastic optimization, as well as HTS strain, this work demonstrates that it is possible to achieve key metrics for the buildability and confinement properties of the device. In particular, satisfactory quality of quasisymmetry and stellarator robustness is designed, and engineering requirements are met for eight different candidates. A feasibility study is presented that optimizes multiple candidates for different plasma major radii and coil currents, as well as the best EPOS candidate to date. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_11737 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Designing A Buildable Optimized Stellarator to Confine Electron-Positron Plasmas Gil, Pedro F. Smoniewski, Jason Huslage, Paul Jorge, Rogerio Thun, Timo Buglione-Ceresa, Elisa Schuler, Tristan Fingl, Stefan Ducas, Grégoire-Hubert Stenson, Eve V. Plasma Physics In this paper, the design of the the plasma equilibrium and superconducting coils for the Electrons and Positrons in an Optimized Stellarator EPOS experiment is presented. With newly developed stellarator optimization tools, including single-stage and stochastic optimization, as well as HTS strain, this work demonstrates that it is possible to achieve key metrics for the buildability and confinement properties of the device. In particular, satisfactory quality of quasisymmetry and stellarator robustness is designed, and engineering requirements are met for eight different candidates. A feasibility study is presented that optimizes multiple candidates for different plasma major radii and coil currents, as well as the best EPOS candidate to date. |
| title | Designing A Buildable Optimized Stellarator to Confine Electron-Positron Plasmas |
| topic | Plasma Physics |
| url | https://arxiv.org/abs/2603.11737 |