| Issue |
EPL
Volume 126, Number 5, June 2019
|
|
|---|---|---|
| Article Number | 57002 | |
| Number of page(s) | 7 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/126/57002 | |
| Published online | 04 July 2019 | |
Quantized Josephson phase battery
School of Physical Sciences, National Institute of Science Education & Research, HBNI - Jatni-752050, India
Received: 14 March 2019
Accepted: 31 May 2019
A ferromagnetic Josephson junction with a spin-flipper (magnetic impurity) sandwiched in-between acts as a phase battery that can store quantized amounts of superconducting phase difference 
in the ground state of the junction. Moreover, for such -Josephson junction, anomalous Josephson current appears at zero phase difference. We study the properties of this quantum spin-flip scattering-induced anomalous Josephson current, especially its tunability via misorientation angle between two ferromagnets.
PACS: 74.50.+r – Tunneling phenomena; Josephson effects / 85.25.Cp – Josephson devices / 74.45.+c – Proximity effects; Andreev reflection; SN and SNS junctions
© EPLA, 2019
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