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arXiv · 2507.12056

Selective decoupling in multi-level quantum systems by the SU(2) sign anomaly

Giorgio Anfuso·Giulia Piccitto·Vittorio Romano·Elisabetta Paladino·Giuseppe Falci
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Abstract

We investigate dynamical decoupling operated by $2\pi$-pulses in a two-level subspaces of a multilevel system showing that it may leads to selective decoupling. This provides a flexible strategy for decoupling transitions in a quantum network, when control to directly address them is not available which can be use to control internode interaction or actively suppress decoherence

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Giorgio Anfuso, Giulia Piccitto, Vittorio Romano, Elisabetta Paladino, Giuseppe Falci. 2025-07-16. Selective decoupling in multi-level quantum systems by the SU(2) sign anomaly. https://doi.org/10.1140/epjs%2Fs11734-026-02190-5

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