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Topological Quantum Computing Open Quantum Systems Decoherence Superconducting Qubits

Induced topological order at the boundary of 3D topological superconductors

arXiv

Authors: Peter Finch, James de Lisle, Giandomenico Palumbo, Jiannis K. Pachos

Year

2014

Paper ID

48228

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

N/A

Abstract

We present tight-binding models of 3D topological superconductors in class DIII that support a variety of winding numbers. We show that gapless Majorana surface states emerge at their boundary in agreement with the bulk-boundary correspondence. At the presence of a Zeeman field the surface states become gapped and the boundary behaves as a 2D superconductor in class D. Importantly, the 2D and 3D winding numbers are in agreement signifying that the topological order of the boundary is induced by the order of the 3D bulk. Hence, the boundary of a 3D topological superconductor in class DIII can be used for the robust realisation of localised Majorana zero modes.

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We present tight-binding models of 3D topological superconductors in class DIII that support a variety of winding numbers.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1408.1038 [2] arXiv https://arxiv.org/abs/1408.1038 [3] Publisher https://arxiv.org/abs/1408.1038

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