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Kink motion in a curved Josephson junction
1Institute of Physics AP, 30-084 Cracow, Poland.
Summary
The study reveals that both torsion and curvature create an energy barrier affecting fluxon motion in curved Josephson junctions. Kink motion in these junctions can be controlled by adjusting their width.
Area of Science:
- Condensed matter physics
- Superconductivity
Background:
- Josephson junctions are crucial in superconducting electronics.
- Understanding fluxon dynamics is key to device performance.
Purpose of the Study:
- To investigate kink propagation in curved Josephson junctions.
- To identify factors influencing fluxon motion and control.
Main Methods:
- Theoretical analysis of kink dynamics.
- Modeling fluxon behavior in curved geometries.
Main Results:
- Torsion and curvature generate an energy barrier for fluxons.
- Fluxon motion is controllable via junction width modulation.
Conclusions:
- Geometric properties significantly impact fluxon dynamics.
- Width modulation offers a simple control mechanism for fluxon motion.
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