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Quantum Simulation

Relaxation-Rectified Anti-Jaynes-Cummings Cascades for Autonomous Fock-State Stabilization

arXiv
Authors: Yan Liu, Jiahua Li

Year

2026

Paper ID

76487

Status

Preprint

Abstract Read

~2 min

Abstract Words

89

Citations

N/A

Abstract

We propose an autonomous scheme for stabilizing prescribed Fock states in a Kerr cavity by rectifying anti-Jaynes--Cummings interactions with auxiliary-qubit relaxation. Full Lindblad simulations demonstrate steady states dominated by the Fock states |1rangle through |4rangle, accompanied by pronounced Wigner negativity. An analytical birth--death model captures the steady-state populations and identifies the operating regime for stabilization. These results establish auxiliary-qubit relaxation as a resource for autonomous reservoir engineering and provide a route to nonclassical bosonic-state preparation in a single Kerr cavity and, through a boundary reservoir, in a Kerr-cavity chain.

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  • We propose an autonomous scheme for stabilizing prescribed Fock states in a Kerr cavity by rectifying anti-Jaynes--Cummings interactions with auxiliary-qubit relaxation.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2608.22298 [2] arXiv https://arxiv.org/abs/2608.22298 [3] Publisher https://arxiv.org/abs/2608.22298

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