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Attractive interaction between superconducting vortices in tilted magnetic fields

Journal Article (2019)
Author(s)

Alexandre Correa (Instituto de Ciencia de Materiales de Madrid (ICMM))

Federico Mompeán (Campus de Cantoblanco, Instituto de Ciencia de Materiales de Madrid (ICMM))

Isabel Guillamón (Universidad Autónoma de Madrid, Campus de Cantoblanco)

Edwin Herrera (Campus de Cantoblanco, Universidad Central, Bogotá , Universidad Autónoma de Madrid)

Mar García-Hernández (Campus de Cantoblanco, Instituto de Ciencia de Materiales de Madrid (ICMM))

Takashi Yamamoto (TU Delft - QuTech Advanced Research Centre, TU Delft - Quantum Internet Division)

Takanari Kashiwagi (University of Tsukuba)

Kazuo Kadowaki (University of Tsukuba)

Alexander I. Buzdin (Université de Bordeaux)

undefined More Authors (External organisation)

Department
Quantum Internet Division
DOI related publication
https://doi.org/10.1038/s42005-019-0132-x Final published version
More Info
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Publication Year
2019
Language
English
Department
Quantum Internet Division
Issue number
1
Volume number
2
Article number
31
Downloads counter
316
Collections
Institutional Repository
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Abstract

Many practical applications of high Tc superconductors involve layered materials and magnetic fields applied on an arbitrary direction with respect to the layers. When the anisotropy is very large, Cooper pair currents can circulate either within or perpendicular to the layers. Thus, tilted magnetic fields lead to intertwined lattices of Josephson and Abrikosov vortices, with quantized circulation across and within layers, respectively. Transport in such intertwined lattices has been studied in detail, but direct observation and manipulation of vortices remains challenging. Here we present magnetic force microscopy experiments in tilted magnetic fields in the extremely quasi-two dimensional superconductor Bi2Sr2CaCu2O8. We trigger Abrikosov vortex motion in between Josephson vortices, and find that Josephson vortices in different layers can be brought on top of each other. Our measurements suggest that intertwined lattices in tilted magnetic fields can be intrinsically easy to manipulate thanks to the mutual interaction between Abrikosov and Josephson vortices.