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Using alternating defects to enhance quantum walk spreading

Published on:

8 November 2023

Primary Category:

Quantum Physics

Paper Authors:

J. J. Ximenes,

M. A. Pires,

J. M. Villas-Boas

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Key Details

Alternating defects can enhance quantum walk spreading rate

Individual defect configurations reduce wavepacket propagation

Combination of two detrimental defects yields favorable outcome

Provides new perspective on utilizing defects for quantum transport

Findings relevant for both applied and fundamental research

AI generated summary

Using alternating defects to enhance quantum walk spreading

This paper introduces a new approach to enhance the spreading rate of continuous-time quantum walks. By alternating between two different defect configurations that individually inhibit wavepacket propagation, the overall dispersion can paradoxically be improved beyond the standard defect-free quantum walk. This counterintuitive effect opens possibilities for exploiting defects to boost quantum transport efficiency.

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