4.7 Article

Colossal magnetic fields in high refractive index materials at microwave frequencies

期刊

SCIENTIFIC REPORTS
卷 11, 期 1, 页码 -

出版社

NATURE PORTFOLIO
DOI: 10.1038/s41598-021-01644-1

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资金

  1. Ministry of Science and Higher Education of the Russian Federation [075-00460-21-00, 14.W03.31.0008]
  2. Russian Science Foundation [20-12-00389]
  3. RFBR [20-02-00715]
  4. A*STAR SERC Pharos program [152 73 00025 406]
  5. AME Programmatic Grant, Singapore [A18A7b0058]
  6. European ERDF through WEFO [CPE 81400, SPARCII c81133]
  7. Royal society [IEC\NSFC\181378, IEC\R2\202178]
  8. Ministry of Science and Higher Education of the Russian Federation
  9. Joint Institute for High Temperatures RAS [075-15-2020-785]
  10. Russian Science Foundation [20-12-00389] Funding Source: Russian Science Foundation

向作者/读者索取更多资源

Resonant scattering of electromagnetic waves is a widely studied phenomenon with applications in various fields, and new fundamental aspects continue to be uncovered in emerging areas like metamaterials and quantum optics. This research demonstrates a novel phenomenon in the scattered near field of medium sized objects made of high refractive index materials, generating colossal local magnetic fields.
Resonant scattering of electromagnetic waves is a widely studied phenomenon with a vast range of applications that span completely different fields, from astronomy or meteorology to spectroscopy and optical circuitry. Despite being subject of intensive research for many decades, new fundamental aspects are still being uncovered, in connection with emerging areas, such as metamaterials and metasurfaces or quantum and topological optics, to mention some. In this work, we demonstrate yet one more novel phenomenon arising in the scattered near field of medium sized objects comprising high refractive index materials, which allows the generation of colossal local magnetic fields. In particular, we show that GHz radiation illuminating a high refractive index ceramic sphere creates instant magnetic near-fields comparable to those in neutron stars, opening up a new paradigm for creation of giant magnetic fields on the millimeter's scale.

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