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Tailoring magnetic fields in inaccessible regions

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journal contribution
posted on 2023-06-09, 21:51 authored by Rosa Mach-Batlle, Mark Bason, Nuria Del-Valle, Jordi Prat-Camps
Controlling magnetism, essential for a wide range of technologies, is impaired by the impossibility of generating a maximum of magnetic field in free space. Here, we propose a strategy based on negative permeability to overcome this stringent limitation. We experimentally demonstrate that an active magnetic metamaterial can emulate the field of a straight current wire at a distance. Our strategy leads to an unprecedented focusing of magnetic fields in empty space and enables the remote cancellation of magnetic sources, opening an avenue for manipulating magnetic fields in inaccessible regions.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Physical Review Letters

ISSN

0031-9007

Publisher

American Physical Society

Issue

17

Volume

125

Article number

a177204

Pages

5.0

Department affiliated with

  • Physics and Astronomy Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2020-10-12

First Open Access (FOA) Date

2020-10-27

First Compliant Deposit (FCD) Date

2020-10-09

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