Majorana bound states in vortex lattices on iron-based superconductors
Sign Up to like & getrecommendations! 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… read more here.
Keywords: physics; lattice; iron based; vortex lattices ... See more keywords
Electronic spin polarization in the Majorana bound state in one-dimensional wires
Sign Up to like & getrecommendations! 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… read more here.
Keywords: bound state; one dimensional; polarization; majorana bound ... See more keywords
Interference effects in the Aharonov-Bohm geometries with Majorana bound states
Sign Up to like & getrecommendations! 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… read more here.
Keywords: bound states; bohm geometries; aharonov bohm; interference effects ... See more keywords
Tunable magnetic textures: From Majorana bound states to braiding
Sign Up to like & getrecommendations! 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… read more here.
Keywords: magnetic textures; bound states; textures majorana; tunable magnetic ... See more keywords
Voltage-tunable Majorana bound states in time-reversal symmetric bilayer quantum spin Hall hybrid systems
Sign Up to like & getrecommendations! 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… read more here.
Keywords: voltage; majorana bound; time reversal; bound states ... See more keywords
Andreev bound states versus Majorana bound states in quantum dot-nanowire-superconductor hybrid structures: Trivial versus topological zero-bias conductance peaks
Sign Up to like & getrecommendations! 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… read more here.
Keywords: bound states; zero energy; conductance; andreev bound ... See more keywords
Bulk boundary correspondence and the existence of Majorana bound states on the edges of 2D topological superconductors
Sign Up to like & getrecommendations! 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… read more here.
Keywords: bound states; bulk boundary; topological superconductors; number ... See more keywords
Stabilization and control of Majorana bound states with elongated skyrmions
Sign Up to like & getrecommendations! 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,… read more here.
Keywords: bound states; control majorana; states elongated; stabilization control ... See more keywords
Degeneracy lifting of Majorana bound states due to electron-phonon interactions
Sign Up to like & getrecommendations! 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… read more here.
Keywords: electron phonon; degeneracy lifting; majorana bound; energy splitting ... See more keywords
Tuning topological superconductivity in phase-controlled Josephson junctions with Rashba and Dresselhaus spin-orbit coupling
Sign Up to like & getrecommendations! 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… read more here.
Keywords: orbit coupling; majorana bound; phase; spin orbit ... See more keywords
Phase Control of Majorana Bound States in a Topological X Junction.
Sign Up to like & getrecommendations! 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… read more here.
Keywords: topological superconductivity; non abelian; phase control; majorana bound ... See more keywords