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Trapped Ion Quantum Computing Quantum Simulation

Channel nonlocality under decoherence

arXiv
Authors: Albert Rico, Moisés Bermejo Morán, Fereshte Shahbeigi, Karol Życzkowski

Year

2024

Paper ID

64111

Status

Preprint

Abstract Read

~2 min

Abstract Words

96

Citations

N/A

Abstract

The implementation of realistic quantum devices requires a solid understanding of the nonlocal resources present in quantum channels, and the effects of decoherence on them. Here we quantify nonlocality of bipartite quantum channels and identify its component resisting the effects of dephasing noise. Despite its classical nature, we demonstrate that the latter plays a relevant role in performing quantum protocols, such as state transformations and quantum coding for noisy communication. In the converse direction, we show that simulating certain stochastic processes with quantum channels undergoing decoherence has a communication advantage with respect to their classical simulation.

Why This Paper Matters

  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • The implementation of realistic quantum devices requires a solid understanding of the nonlocal resources present in quantum channels, and the effects of decoherence on them.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2408.10317 [2] arXiv https://arxiv.org/abs/2408.10317 [3] Publisher https://arxiv.org/abs/2408.10317

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