# Topological superconductivity in skyrmion lattices

@article{Mascot2020TopologicalSI, title={Topological superconductivity in skyrmion lattices}, author={Eric Mascot and Jasmin Bedow and Martin Graham and Stephan Rachel and Dirk K. Morr}, journal={npj Quantum Materials}, year={2020}, volume={6}, pages={1-6} }

Atomic manipulation and interface engineering techniques have provided an intriguing approach to custom-designing topological superconductors and the ensuing Majorana zero modes, representing a paradigm for the realization of topological quantum computing and topology-based devices. Magnet-superconductor hybrid (MSH) systems have proven to be experimentally suitable to engineer topological superconductivity through the control of both the complex structure of its magnetic layer and the…

## 10 Citations

Topological Superconductivity Induced by Magnetic Texture Crystals

- Physics
- 2020

We present a detailed investigation of the topological phases and Majorana fermion (MF) excitations that arise from the bulk interplay between (un)conventional one/two-band spin-singlet…

Skyrmion control of Majorana states in planar Josephson junctions

- PhysicsCommunications Physics
- 2021

Planar Josephson junctions provide a versatile platform, alternative to the nanowire-based geometry, for the generation of the Majorana bound states, due to the additional phase tunability of the…

Skyrmion Control of Majorana States in Planar Josephson Junctions

- Physics
- 2021

Planar Josephson junctions provide a versatile platform, alternative to the nanowire-based geometry, for the generation of the Majorana bound states (MBS), due to the additional phase tunability of…

Aspects of Topological Superconductivity in 2D Systems: Noncollinear Magnetism, Skyrmions, and Higher-order Topology

- PhysicsJournal of Superconductivity and Novel Magnetism
- 2021

The review is aimed at highlighting the aspects of topological superconductivity in the absence of spin-orbit interaction in two-dimensional systems with long-range non-collinear spin ordering or…

Majorana bound states in semiconducting nanostructures

- PhysicsJournal of Applied Physics
- 2021

In this Tutorial, we give a pedagogical introduction to Majorana bound states (MBSs) arising in semiconducting nanostructures. We start by briefly reviewing the well-known Kitaev chain toy model in…

Temperature effects in spin-dependent Hall currents in an ideal skyrmion gas

- Physics
- 2021

The quest for novel reliable and fast-performing logic and memory elements in classical and quantum computing requires discoveries of new effects in novel quantum materials. Skyrmions are such…

Majorana bound states induced by antiferromagnetic skyrmion textures

- PhysicsPhysical Review B
- 2021

Sebastián A. Dı́az, Jelena Klinovaja, Daniel Loss, and Silas Hoffman 3, 4, 1 Department of Physics, University of Basel, Klingelbergstrasse 82, CH-4056 Basel, Switzerland Department of Physics,…

Fusion of Majorana Bound States with Mini-Gate Control in Two-Dimensional Systems

- Physics
- 2021

Tong Zhou,1, ∗ Matthieu C. Dartiailh,2 Kasra Sardashti,2 Jong E. Han,1 Alex Matos-Abiague,3 Javad Shabani,2 and Igor Žutić1, † 1Department of Physics, University at Buffalo, State University of New…

Magnon-driven skyrmion dynamics in antiferromagnets: Effect of magnon polarization

- PhysicsPhysical Review B
- 2021

Z. Jin, C. Y. Meng, T. T. Liu, D. Y. Chen, Z. Fan, M. Zeng, X. B. Lu, X. S. Gao, M. H. Qin, and J. –M. Liu Institute for Advanced Materials, and Guangdong Provincial Key Laboratory of Optical…

Mesoscale phase separation of skyrmion-vortex matter in chiral magnet-superconductor heterostructures

- Physics
- 2021

We investigate theoretically the equilibrium configurations of many magnetic skyrmions interacting with many superconducting vortices in a superconductor-chiral magnet bilayer. We show that miscible…

## References

SHOWING 1-10 OF 66 REFERENCES

Topological superconductivity with deformable magnetic skyrmions

- PhysicsCommunications Physics
- 2019

Magnetic skyrmions are nanoscale spin configurations that are efficiently created and manipulated. They hold great promises for next-generation spintronics applications. In parallel, the interplay of…

Atomic-scale interface engineering of Majorana edge modes in a 2D magnet-superconductor hybrid system

- Physics, MedicineScience Advances
- 2019

It is demonstrated that interface engineering by an atomically thin oxide layer is crucial for driving the hybrid system into a topologically nontrivial state as confirmed by theoretical calculations of the topological invariant, the Chern number.

Quantized charge transport in chiral Majorana edge modes

- Physics
- 2017

Majorana fermions can be realized as quasiparticles in topological superconductors, with potential applications in topological quantum computing. Recently, lattices of magnetic adatoms deposited on…

Dimensional tuning of Majorana fermions and real space counting of the Chern number

- Physics
- 2019

Chiral superconductors have the ability to host topologically protected Majorana zero modes which have been proposed as future qubits for topological quantum computing. The recently introduced…

Two-dimensional topological superconductivity in Pb/Co/Si(111)

- Physics, MedicineNature Communications
- 2017

The measured dispersive in-gap states are interpreted as a spatial topological transition with a gap closure and could in principle be generalized to a large variety of heterostructures combining a Rashba superconductor with a magnetic layer in order to be used as a platform for engineering topological quantum phases.

A novel platform for two-dimensional chiral topological superconductivity

- Physics
- 2015

We show that the surface of an s-wave superconductor decorated with a two-dimensional lattice of magnetic impurities can exhibit chiral topological superconductivity. If impurities order…

Synthetic spin–orbit interaction for Majorana devices

- Medicine, PhysicsNature Materials
- 2019

It is shown that coupling to a magnetic texture can induce both a strong spin–orbit coupling of 1.1 meV and a Zeeman effect in a carbon nanotube and signatures of Majorana zero modes—promising for quantum computing applications—are observed.

Topological Superconductivity and High Chern Numbers in 2D Ferromagnetic Shiba Lattices.

- Physics, MedicinePhysical review letters
- 2015

It is shown that the studied system supports a generalization of px+ipy superconductivity and that its topological phase diagram contains Chern numbers higher than ξ/a(≫1), where ξ is the superconducting coherence length and a is the distance between the magnetic atoms.

Tunable magnetic textures in spin valves: From spintronics to Majorana bound states

- PhysicsPhysical Review B
- 2019

Spin-valve structures in which a change of magnetic configuration is responsible for magnetoresistance have enabled impressive advances in spintronics, focusing on magnetically storing and sensing…

Isolated pairs of Majorana zero modes in a disordered superconducting lead monolayer

- Biology, MedicineNature Communications
- 2019

Pairs of zero modes are stabilized in the middle and around the magnetic domains in a disordered superconducting Pb monolayer, demonstrating the protected Majorana nature of this zero mode pair and highlighting the role of magnetic or spin-orbit coupling textures.