2021
DOI: 10.48550/arxiv.2112.04519
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Non-uniform magnetic field as a booster for quantum speed: faster quantum information processing

Srishty Aggarwal,
Subhashish Banerjee,
Arindam Ghosh
et al.

Abstract: We probe the quantum speed limit (QSL) of an electron when it is trapped in a non-uniform magnetic field. We show that the QSL increases to a large value, but within the regime of causality, by choosing a proper variation in magnetic fields. We also probe the dependence of quantum speed (QS) on spin of electron and find that it is higher for spin-down electron for ground level based transition in the relativistic regime. This can be useful in achieving a faster speed of transmission of quantum information. Fur… Show more

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