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Bidirectional Teleportation Using Scrambling Dynamics: A Practical Protocol

Amit Vikram1,2,*, Edwin Chaparro1,2, Muhammad Miskeen Khan1,2,3, Andrew Lucas2, Chris Akers2, and Ana Maria Rey1,2

  • *Contact author: AmitVikram.Anand@colorado.edu
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Phys. Rev. Lett. 137, 180403 – Published 27 October, 2026

DOI: https://doi.org/10.1103/9msw-jw53

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 a Hayden-Preskill type 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 optical cavity and trapped-ion platforms, highlighting the utility of holography in designing practical quantum gates.

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Phys. Rev. Lett. 137, 180403– Published 27 October, 2026
  • Received 19 February 2026
  • Accepted 14 September 2026
Article part of CHORUS
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