Eigenvalue measurement of topologically protected edge states in split-step quantum walks

Eigenvalue measurement of topologically protected edge states in split-step quantum walks

We study topological phenomena of quantum walks by implementing a novel protocol that extends the range of accessible properties to the eigenvalues of the walk operator. To this end, we experimentally realise for the first time a split-step quantum walk with decoupling, which allows for investigatin...

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Bibliographic Details
Main Authors: Thomas Nitsche, Tobias Geib, Christoph Stahl, Lennart Lorz, Christopher Cedzich, Sonja Barkhofen, Reinhard F Werner, Christine Silberhorn
Format: Article
Language:English
Published: IOP Publishing 2019-01-01
Series:New Journal of Physics
Subjects:
quantum walks
topological phenomena
symmetry protected edge states
split-step
bulk-boundary correspondence
decoupling
Online Access:https://doi.org/10.1088/1367-2630/ab12fa

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