Reentrant superconductivity in proximity to a topological insulator
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KARABASSOV, T., GOLUBOV, Alexander, SILKIN, V., STOLYAROV, V., VASENKO, A.. Reentrant superconductivity in proximity to a topological insulator. In: The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics, 22-25 octombrie 2021, Chişinău. Chişinău: 2021, p. 39. ISBN 978-9975-47-215-9.
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The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics 2021
Conferința "The 12th international conference on intrinsic Josephson effect and horizons of superconducting spintronics"
Chişinău, Moldova, 22-25 octombrie 2021

Reentrant superconductivity in proximity to a topological insulator


Pag. 39-39

Karabassov T.1, Golubov Alexander23, Silkin V.456, Stolyarov V.73, Vasenko A.37
 
1 National Research University Higher School of Economics, Moscow,
2 University of Twente, Netherlands,
3 Moscow Institute of Physics and Technology,
4 Donostia International Physics Center,
5 Centro de Física de Materiales (CSIC-UPV/EHU),
6 Necunoscută, Spania,
7 All-Russian Research Institute of Automatics n.a. N.L. Dukhov (VNIIA), Moscow
 
Disponibil în IBN: 18 martie 2022


Rezumat

Superconducting hybrid structures with topological order and induced magnetization offer a promising way to realize fault-tolerant quantum computation [1]. However, the effect of the interplay between magnetization and the property of the topological insulator surface, otherwise known as spin-momentum locking on the superconducting proximity effect, still remains to be investigated. We relied on the quasiclassical self-consistent approach to consider the superconducting transition temperature in the two-dimensional superconductor/topological insulator (S/TI) junction with an in-plane helical magnetization on the TI surface [2]. It has emerged that the presence of the helical magnetization leads to the nonmonotonic dependence of the critical temperature on the TI thickness for both cases when the magnetization evolves along or perpendicular to the interface. The results obtained can be helpful for designing novel superconducting nanodevices and better understanding the nature of superconductivity in S/TI systems with nonuniform magnetization.