ArticleScience advances2025
Designing functional magnetic cloaks for real-world geometries.
Article in Science advances, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Magnetic cloaking enables objects to become undetectable to external magnetic fields while leaving those fields unperturbed. Existing demonstrations rely on idealized cylindrical or spherical shapes, limiting their practical relevance. Here, we introduce a physics-based optimization framework that designs magnetic cloaks for arbitrarily shaped structures by directly solving Maxwell's equations under spatial material constraints. Our method produces continuous, spatially varying permeability profiles that preserve field uniformity around complex geometries, including faceted and multi-lobed configurations. Using material parameters drawn from commercially available superconductors, we demonstrate low-distortion cloaking performance with permeability values within manufacturable ranges. This approach establishes a route to customizable magnetic shields for real-world components and lays the groundwork for future applications in extreme magnetic environments, such as fusion energy systems and precision instrumentation.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.