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Reversing Lindblad Dynamics via Continuous Petz Recovery Map

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arxiv 2104.03360 v3 pith:QJRRELJX submitted 2021-04-07 quant-ph

classification quant-ph
keywords quantumdynamicsrecoverynoisepetzprotocolreversecontinuous
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An important issue in developing quantum technology is that quantum states are so sensitive to noise. We propose a protocol that introduces reverse dynamics, in order to precisely control quantum systems against noise described by the Lindblad master equation. The reverse dynamics can be obtained by constructing the Petz recovery map in continuous time. By providing the exact form of the Hamiltonian and jump operators for the reverse dynamics, we explore the potential of utilizing the near-optimal recovery of the Petz map in controlling noisy quantum dynamics. While time-dependent dissipation engineering enables us to fully recover a single quantum trajectory, we also design a time-independent recovery protocol to protect encoded quantum information against decoherence. Our protocol can efficiently suppress only the noise part of dynamics thereby providing an effective unitary evolution of the quantum system.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. MonoPartNeRF:Human Reconstruction from Monocular Video via Part-Based Neural Radiance Fields

    cs.CV 2025-08 conditional novelty 6.0 of 10

    Randomized weak measurements provide a physically motivated forward diffusion for quantum states, with reverse recovery via learned unitary controls, Petz maps, or classical shadows.

  2. Quantum Reversibility Meets Classical Reverse Diffusion

    quant-ph 2025-10 conditional novelty 4.0 of 10

    The semiclassical limit of the Petz-reversed Lindblad equation reproduces the Bayes-rule reverse-time diffusion equation, with the reference state's Wigner function playing the role of the classical score distribution.

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