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Trapped Ion Quantum Computing

Quantum backflow for two identical particles

arXiv
Authors: Maximilien Barbier, Arseni Goussev

Year

2024

Paper ID

6144

Status

Preprint

Abstract Read

~2 min

Abstract Words

103

Citations

N/A

Abstract

Quantum mechanics introduces the possibility for particles to move in a direction opposite to their momentum - a counter-intuitive and classically impossible phenomenon known as quantum backflow. The magnitude of this effect is relatively small, making its experimental observation, which has yet to be achieved, particularly challenging. Here, we investigate the influence of quantum statistics on the maximal backflow attainable for two identical particles confined to a ring. Notably, we demonstrate that the fermionic statistics significantly impedes quantum backflow compared to the bosonic statistics. Our findings suggest that any future experimental realization of quantum backflow should prioritize systems involving bosons rather than fermions.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • Quantum mechanics introduces the possibility for particles to move in a direction opposite to their momentum - a counter-intuitive and classically impossible phenomenon known...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2412.07898 [2] arXiv https://arxiv.org/abs/2412.07898 [3] Publisher https://arxiv.org/abs/2412.07898

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