Breaking the Speed Limit for Perfect Quantum State Transfer

Weichen Xie; Alastair Kay; Christino Tamon

doi:10.1103/PhysRevA.108.012408

Breaking the Speed Limit for Perfect Quantum State Transfer

Weichen Xie
, Alastair Kay
, Christino Tamon

Research output: Contribution to journal › Article › peer-review

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Abstract

We describe a protocol for perfectly transferring a quantum state from one party to another under the dynamics of a fixed, engineered Hamiltonian. Our protocol combines the concepts of fractional revival, dual rail encoding, and a rare glimpse of the anti-Zeno effect. Remarkably, the transfer happens faster than the speed limit for perfect quantum state transfer.

Original language	English
Article number	012408
Journal	Physical Review A
Volume	108
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevA.108.012408
Publication status	Published - 7 Jul 2023

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10.1103/PhysRevA.108.012408

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Cite this

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