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Open Quantum Systems Decoherence

Protecting Quantum States via the Super-Zeno Effect and Anticoherence

arXiv
Authors: C. Chryssomalakos, A. G. Flores-Delgado, E. Guzmán-González, L. Hanotel

Year

2026

Paper ID

67871

Status

Preprint

Abstract Read

~2 min

Abstract Words

120

Citations

0

Abstract

We consider a spin system coupled to a noisy environment via an interaction Hamiltonian H which is a polynomial of degree n in the spin operators Si (n-magnetic Hamiltonian), and show that the use of the quantum super-Zeno effect in conjunction with a spin-anticoherent subspace, is highly effective in protecting the spin from the noise. When n=1, as in the case of unwanted rotations induced by stray magnetic fields, our scheme provides a quantum gyroscope, a concept that generalizes naturally to higher n values (a quantum n-gyroscope). The gist of the proposed protocol is to use the quantum super-Zeno effect to confine a state to the subspace, and then exploit anticoherence to freeze its evolution within it.

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  • We consider a spin system coupled to a noisy environment via an interaction Hamiltonian H which is a polynomial of degree n in the spin operators Si (n-magnetic Hamiltonian)...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2606.04681 [2] arXiv https://arxiv.org/abs/2606.04681 [3] Publisher https://arxiv.org/abs/2606.04681

Local Citation Graph (Related-Paper Links)

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External citation index: OpenAlex citation signal • updated 2026-06-18 04:45:37

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