Minutillo, Martina (2022) Transport and proximity effect in ferromagnetic insulator Josephson junctions: a lattice Green’s function approach. [Tesi di dottorato]
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| Tipologia del documento: | Tesi di dottorato |
|---|---|
| Lingua: | English |
| Titolo: | Transport and proximity effect in ferromagnetic insulator Josephson junctions: a lattice Green’s function approach |
| Autori: | Autore Email Minutillo, Martina ma.minutillo@gmail.com |
| Data: | 7 Marzo 2022 |
| Numero di pagine: | 124 |
| Istituzione: | Università degli Studi di Napoli Federico II |
| Dipartimento: | Fisica |
| Dottorato: | Quantum Technologies (Tecnologie Quantistiche) |
| Ciclo di dottorato: | 34 |
| Coordinatore del Corso di dottorato: | nome email Tafuri, Francesco francesco.tafuri@unina.it |
| Tutor: | nome email Lucignano, Procolo [non definito] |
| Data: | 7 Marzo 2022 |
| Numero di pagine: | 124 |
| Parole chiave: | Josepshon junctions, proximity, superconductivity, ferromagnet, Cooper pairs. |
| Settori scientifico-disciplinari del MIUR: | Area 02 - Scienze fisiche > FIS/03 - Fisica della materia |
| Depositato il: | 16 Mar 2022 09:15 |
| Ultima modifica: | 28 Feb 2024 14:13 |
| URI: | http://www.fedoa.unina.it/id/eprint/14566 |
Abstract
This work is devoted to the analysis of transport properties and novel aspects of proximity effect in Josephson junctions made of ferromagnetic insulator barrier (SFIS JJs) in the presence of spin-orbit interaction, exchange field fluctuations, and nonmagnetic disorder, with the aim of describing systems as close as possible to real platforms. The numerical studies carried out in this work were performed by using a two-dimensional (2D) Bogolioubov de Gennes (BdG) tight-binding model, where the induced superconducting correlations and the Josephson current are extracted from the Green’s function of the barrier, which was constructed by using the recursive Green’s function procedure.
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