Superconducting diode sensor

doi:10.1103/PhysRevB.109.214510

Superconducting diode sensor

2024-06-11

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DOI：10.1103/PhysRevB.109.214510

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We study the superconducting Josephson junction diode operating via the magnetic field of skyrmions. Inspired by the near-field optical microscopy, we propose to partially screen the magnetic field and analyze part by part the magnetic texture of the skyrmion. The detected asymmetric supercurrent is influenced by the skyrmionic magnetic field and magnetic texture. This enables the Josephson junction diode to function as a hyperfine sensor and to read out the information about the morphology of the complex magnetic textures. The proposed setup opens another avenue in magnetometry and represents an alternative to the technologies based on the nitrogen-vacancy centers.

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Superconducting diode sensor

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