期刊
PHYSICAL REVIEW LETTERS
卷 112, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.112.253901
关键词
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资金
- EU projects AQUTE
- Spanish Consolider NANOSELECT [CSD2007-00041]
- ICREA Academia, Generalitat de Catalunya
- FPU grant from the Spanish Government [AP2010-2556]
- ERC-StG QSuperMag
- [MAT2012-35370]
We show how the static magnetic field of a finite source can be transferred and routed to arbitrary long distances. This is achieved by using transformation optics, which results in a device made of a material with a highly anisotropic magnetic permeability. We show that a simplified version of the device, made by a superconducting-ferromagnet hybrid, also leads to an excellent transfer of the magnetic field. The latter is demonstrated with a proof-of-principle experiment where a ferromagnet tube coated with a superconductor improves the transfer of static magnetic fields with respect to conventional methods by a 400% factor over distances of 14 cm.
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