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Bidirectional teleportation using scrambling dynamics: a practical protocol

arXiv
Authors: Amit Vikram, Edwin Chaparro, Muhammad Miskeen Khan, Andrew Lucas, Chris Akers, Ana Maria Rey

Year

2026

Paper ID

3497

Status

Preprint

Abstract Read

~2 min

Abstract Words

107

Citations

N/A

Abstract

We show that quantum information scrambling can enable a generic SWAP gate between collective degrees of freedom in systems without universal local control. Our protocol combines the Hayden-Preskill recovery scheme, associated with the black hole information paradox, with quantum teleportation and runs them in parallel and in opposite directions, enabling bidirectional exchange of quantum states through global interactions alone. This approach cleanly distinguishes the roles of information spreading, entanglement, and chaos for enabling both coherent state transfer and recovery. We propose an experimental realization using the Dicke model, which can be realized in cavity-QED and trapped-ion platforms, highlighting the utility of holography in designing practical quantum gates.

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  • This paper contributes to the Quantum Communication & Networks research area in the Quantum Articles archive.
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  • We show that quantum information scrambling can enable a generic SWAP gate between collective degrees of freedom in systems without universal local control.

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