Experimental formation of a fractional vortex in a superconducting bi-layer Article Swipe
Related Concepts
Superconductivity
Squid
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Condensed matter physics
Scanning SQUID microscopy
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Type-II superconductor
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Flux (metallurgy)
Layer (electronics)
Josephson effect
Phase (matter)
Materials science
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High-temperature superconductivity
Magnetometer
Quantum mechanics
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Y. Tanaka
,
Hirotake Yamamori
,
Takashi Yanagisawa
,
Taichiro Nishio
,
Shunichi Arisawa
·
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.1016/j.physc.2018.02.001
· OA: W2791494045
YOU?
·
· 2018
· Open Access
·
· DOI: https://doi.org/10.1016/j.physc.2018.02.001
· OA: W2791494045
We report the experimental formation of a fractional vortex generated by using a thin superconducting bi-layer in the form of a niobium bi-layer, observed as a magnetic flux distribution image taken by a scanning superconducting quantum interference device (SQUID) microscope. Thus, we demonstrated that multi-component superconductivity can be realized by an s-wave conventional superconductor, because, in these superconductors, the magnetic flux is no longer quantized as it is destroyed by the existence of an inter-component phase soliton (i-soliton).
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