000088038 001__ 88038 000088038 005__ 20200224103750.0 000088038 037__ $$aTAZ-TFG-2019-2768 000088038 041__ $$aeng 000088038 1001_ $$aUldemolins Nivela, Mateo 000088038 24200 $$aStudy of an inhomogeneous spin-orbit coupling in topological semiconducting wires 000088038 24500 $$aStudy of an inhomogeneous spin-orbit coupling in topological semiconducting wires 000088038 260__ $$aZaragoza$$bUniversidad de Zaragoza$$c2019 000088038 500__ $$aConducted at the Laboratoire de Physique des Solides d'Orsay (Université Paris-Sud) 000088038 506__ $$aby-nc-sa$$bCreative Commons$$c3.0$$uhttp://creativecommons.org/licenses/by-nc-sa/3.0/ 000088038 520__ $$aThe present End-of-Degree Thesis is framed within the context of Majorana fermions in Condensed Matter, and it focusses on the Rashba nanowire, a realistic system which allows the emergence of Majorana zero modes. After having introduced the present state of affairs in the field, the original proposal is reviewed, and subsequently, a nanowire with inhomogeneous spin-orbit coupling is analysed. Utilizing numerical techniques, it is shown that under precise conditions a defect in the spin-orbit coupling can originate zero-energy fermionic bound states akin to the original Majorana zero modes. Finally, a finite-size effect induced by the presence of the defect is investigated.<br /><br /> 000088038 521__ $$aGraduado en Física 000088038 540__ $$aDerechos regulados por licencia Creative Commons 000088038 700__ $$aSimon, Pascal$$edir. 000088038 7102_ $$aUniversidad de Zaragoza$$b $$c 000088038 8560_ $$f717821@celes.unizar.es 000088038 8564_ $$s1924346$$uhttps://zaguan.unizar.es/record/88038/files/TAZ-TFG-2019-2768.pdf$$yMemoria (eng) 000088038 8564_ $$s636900$$uhttps://zaguan.unizar.es/record/88038/files/TAZ-TFG-2019-2768_ANE.pdf$$yAnexos (eng) 000088038 909CO $$ooai:zaguan.unizar.es:88038$$pdriver$$ptrabajos-fin-grado 000088038 950__ $$a 000088038 951__ $$adeposita:2020-02-24 000088038 980__ $$aTAZ$$bTFG$$cCIEN 000088038 999__ $$a20190709170309.CREATION_DATE