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Trapped Ion Quantum Computing

Steady-State Multiparticle Entanglement via Dissipative Engineering in Waveguide QED

arXiv
Authors: Joan Alba, Jacob Thornfeldt Hansen, Jean-Baptiste S. Béguin, Anders S. Sørensen

Year

2026

Paper ID

28733

Status

Preprint

Abstract Read

~2 min

Abstract Words

97

Citations

N/A

Abstract

We propose a simple scheme for the dissipative generation of entangled states of multiple emitters coupled to a waveguide. Our approach exploits collective interactions arising from the formation of subradiant and superradiant excited states, combined with the quantum Zeno effect. We show that, starting from an arbitrary initial state, the system deterministically evolves toward a W-type entangled steady state, with an infidelity that scales inversely with the cooperativity. The protocol is scalable to an arbitrary number of emitters. We further analyze the impact of additional experimental imperfections and present a detailed implementation based on trapped 133Cs atoms.

Why This Paper Matters

  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
  • It adds a 2026 reference point for readers tracking recent quantum research.
  • We propose a simple scheme for the dissipative generation of entangled states of multiple emitters coupled to a waveguide.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2603.05701 [2] arXiv https://arxiv.org/abs/2603.05701 [3] Publisher https://arxiv.org/abs/2603.05701

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