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Published in 2021 at "Annals of Physics"
DOI: 10.1016/j.aop.2021.168431
Abstract: Abstract Majorana quasi-particles may arise as zero-energy bound states in vortices on the surface of a topological insulator that is proximitized by a conventional superconductor. Such a system finds its natural realization in the iron-based…
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Keywords:
physics;
lattice;
iron based;
vortex lattices ... See more keywords
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Published in 2017 at "Journal of Magnetism and Magnetic Materials"
DOI: 10.1016/j.jmmm.2016.10.155
Abstract: Abstract We have studied the effect of magnetic field and disorder on the electronic z -spin polarization at the ends of the one-dimensional wire with strong Rashba spin–orbit coupling deposited on an s-wave superconductor. It…
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Keywords:
bound state;
one dimensional;
polarization;
majorana bound ... See more keywords
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Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.09.026
Abstract: Abstract We investigate the transport properties in an Aharonov-Bohm circuit with embedded Majorana bound states (MBSs), by considering the influence of MBS-lead coupling manners. It is found that the inter-arm quantum interference plays an important…
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Keywords:
bound states;
bohm geometries;
aharonov bohm;
interference effects ... See more keywords
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Published in 2017 at "Solid State Communications"
DOI: 10.1016/j.ssc.2017.06.003
Abstract: Abstract A versatile control of magnetic systems, widely used to store information, can also enable manipulating Majorana bounds states (MBS) and implementing fault-tolerant quantum information processing. The proposed platform relies on the proximity-induced superconductivity in…
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Keywords:
magnetic textures;
bound states;
textures majorana;
tunable magnetic ... See more keywords
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Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.100.165420
Abstract: We investigate hybrid structures based on a bilayer quantum spin Hall system in proximity to an s-wave superconductor as a platform to mimic time-reversal symmetric topological superconductors. In this bilayer setup, the induced pairing can…
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Keywords:
voltage;
majorana bound;
time reversal;
bound states ... See more keywords
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Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.075161
Abstract: Motivated by an important recent experiment [Deng , Science 354, 1557 (2016)SCIEAS0036-807510.1126/science.aaf3961], we theoretically consider the interplay between Andreev and Majorana bound states in disorder-free quantum dot-nanowire semiconductor systems with proximity-induced superconductivity in the presence…
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Keywords:
bound states;
zero energy;
conductance;
andreev bound ... See more keywords
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Published in 2017 at "Physical Review B"
DOI: 10.1103/physrevb.96.184516
Abstract: The bulk-boundary correspondence establishes a connection between the bulk topological index of an insulator or superconductor, and the number of topologically protected edge bands or states. For topological superconductors in two dimensions, the first Chern…
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Keywords:
bound states;
bulk boundary;
topological superconductors;
number ... See more keywords
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Published in 2018 at "Physical Review B"
DOI: 10.1103/physrevb.97.115136
Abstract: We show that elongated magnetic skyrmions can host Majorana bound states in a proximity-coupled two-dimensional electron gas sandwiched between a chiral magnet and an $s$-wave superconductor. Our proposal requires stable skyrmions with unit topological charge,…
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Keywords:
bound states;
control majorana;
states elongated;
stabilization control ... See more keywords
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Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.205435
Abstract: We study theoretically how electron-phonon interaction affects the energies and level broadening (inverse lifetime) of Majorana bound states (MBSs) in a clean topological nanowire at low temperatures. At zero temperature, the energy splitting between the…
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Keywords:
electron phonon;
degeneracy lifting;
majorana bound;
energy splitting ... See more keywords
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Published in 2019 at "Physical Review B"
DOI: 10.1103/physrevb.99.214503
Abstract: Recently, topological superconductors based on Josephson junctions in two-dimensional electron gases with strong Rashba spin-orbit coupling have been proposed as attractive alternatives to wire-based setups. Here, we elucidate how phase-controlled Josephson junctions based on quantum…
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Keywords:
orbit coupling;
majorana bound;
phase;
spin orbit ... See more keywords
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Published in 2020 at "Physical review letters"
DOI: 10.1103/physrevlett.124.137001
Abstract: Topological superconductivity supports exotic Majorana bound states (MBS) which are chargeless zero-energy emergent quasiparticles. With their non-Abelian exchange statistics and fractionalization of a single electron stored nonlocally as a spatially separated MBS, they are particularly…
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Keywords:
topological superconductivity;
non abelian;
phase control;
majorana bound ... See more keywords