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Trapped Ion Quantum Computing

A Statistical Theory of Designed Quantum Transport Across Disordered Networks

arXiv
Authors: Mattia Walschaers, Roberto Mulet, Thomas Wellens, Andreas Buchleitner

Year

2014

Paper ID

47634

Status

Preprint

Abstract Read

~2 min

Abstract Words

84

Citations

N/A

Abstract

We explain how centrosymmetry, together with a dominant doublet in the local density of states, can guarantee interference-assisted, strongly enhanced, strictly coherent quantum excitation transport between two predefined sites of a random network of two-level systems. Starting from a generalisation of the chaos assisted tunnelling mechanism, we formulate a random matrix theoretical framework for the analytical prediction of the transfer time distribution, of lower bounds of the transfer efficiency, and of the scaling behaviour of characteristic statistical properties with the size of the network.

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  • We explain how centrosymmetry, together with a dominant doublet in the local density of states, can guarantee interference-assisted, strongly enhanced, strictly coherent...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1409.2626 [2] arXiv https://arxiv.org/abs/1409.2626 [3] Publisher https://arxiv.org/abs/1409.2626

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