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Related Experiment Video

Updated: Jan 20, 2026

Scanning SQUID Study of Vortex Manipulation by Local Contact

Scanning SQUID Study of Vortex Manipulation by Local Contact

Published on: February 1, 2017

Local Josephson vortex generation and manipulation with a Magnetic Force Microscope.

Viacheslav V Dremov^1,2, Sergey Yu Grebenchuk¹, Andrey G Shishkin¹

¹Moscow Institute of Physics and Technology, 141700, Dolgoprudny, Russia.

Nature Communications

|September 7, 2019

Summary

This summary is machine-generated.

Researchers observed and manipulated Josephson vortices using Magnetic Force Microscopy. This breakthrough allows for remote inspection and control of superconducting quantum circuit components.

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Area of Science:

Condensed Matter Physics
Quantum Electronics

Background:

Josephson vortices are crucial for superconducting quantum electronics.
Observing and manipulating these topological objects is difficult.

Purpose of the Study:

To demonstrate a method for observing and manipulating Josephson vortices.
To explore the magnetic fingerprint of Josephson vortices in specific junctions.

Main Methods:

Utilized Magnetic Force Microscopy (MFM) to study Superconductor-Normal metal-Superconductor (SNS) lateral junctions.
Investigated the magnetic signature of Josephson vortices.

Main Results:

Identified a unique magnetic fingerprint for Josephson vortices in SNS junctions.
Showcased the generation and manipulation of Josephson vortices using an MFM magnetic tip.

Conclusions:

Josephson vortices possess a detectable magnetic fingerprint.
MFM enables remote control and inspection of individual superconducting nano-components.