Magnetic Omniconversion: Source-Independent Molding of Magnetostatic Fields
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arXiv
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| Autores principales: | , , , , , |
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| Formato: | Preprint |
| Publicado: |
2026
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| _version_ | 1866911476259749888 |
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| author | Cunill-Subiranas, Jaume Bort-Soldevila, Natanael Resare, Fabian Del-Valle, Nuria Wieczorek, Witlef Navau, Carles |
| author_facet | Cunill-Subiranas, Jaume Bort-Soldevila, Natanael Resare, Fabian Del-Valle, Nuria Wieczorek, Witlef Navau, Carles |
| contents | Magnetic fields are constrained by the geometry and location of their sources, limiting the ability to freely tailor their spatial distribution. We introduce a general framework to passively convert the magnetic field generated by arbitrary sources into any prescribed desired field within a finite source-free region. Our method relies on field shaping using linear magnetic materials, enabling source-independent magnetic-field molding. We provide the general recipe, analytical and numerical demonstrations for some paradigmatic examples, and a proof-of-concept experiment that validates the idea and materials implementation. This approach enables novel possibilities in magnetic shielding, targeted field delivery, advanced imaging technologies, and a broad range of field-control applications. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_01155 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Magnetic Omniconversion: Source-Independent Molding of Magnetostatic Fields Cunill-Subiranas, Jaume Bort-Soldevila, Natanael Resare, Fabian Del-Valle, Nuria Wieczorek, Witlef Navau, Carles Applied Physics Magnetic fields are constrained by the geometry and location of their sources, limiting the ability to freely tailor their spatial distribution. We introduce a general framework to passively convert the magnetic field generated by arbitrary sources into any prescribed desired field within a finite source-free region. Our method relies on field shaping using linear magnetic materials, enabling source-independent magnetic-field molding. We provide the general recipe, analytical and numerical demonstrations for some paradigmatic examples, and a proof-of-concept experiment that validates the idea and materials implementation. This approach enables novel possibilities in magnetic shielding, targeted field delivery, advanced imaging technologies, and a broad range of field-control applications. |
| title | Magnetic Omniconversion: Source-Independent Molding of Magnetostatic Fields |
| topic | Applied Physics |
| url | https://arxiv.org/abs/2603.01155 |