ArticleNature communications2019
Quantifying the nonclassicality of pure dephasing.
Article in Nature communications, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Micro-nano integrated platforms for osteoarthritis therapy: From spatial manipulation to cellular reprogramming.Materials today. Bio · 2026Review
- On Markovianity and classicality in multilevel spin-boson models.Scientific reports · 2023Article
- Effects of symmetry breaking of the structurally-disordered Hamiltonian ensembles on the anisotropic decoherence of qubits.Scientific reports · 2022Article
- Canonical Hamiltonian ensemble representation of dephasing dynamics and the impact of thermal fluctuations on quantum-to-classical transition.Scientific reports · 2021Article
- Faint trace of a particle in a noisy Vaidman three-path interferometer.Scientific reports · 2021Article
- Noise representations of open system dynamics.Scientific reports · 2020Article
Corrections and comments
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Authors and funding
6 authors.
Funding
Abstract
One of the central problems in quantum theory is to characterize, detect, and quantify quantumness in terms of classical strategies. Dephasing processes, caused by non-dissipative information exchange between quantum systems and environments, provides a natural platform for this purpose, as they control the quantum-to-classical transition. Recently, it has been shown that dephasing dynamics itself can exhibit (non)classical traits, depending on the nature of the system-environment correlations and the related (im)possibility to simulate these dynamics with Hamiltonian ensembles-the classical strategy. Here we establish the framework of detecting and quantifying the nonclassicality for pure dephasing dynamics. The uniqueness of the canonical representation of Hamiltonian ensembles is shown, and a constructive method to determine the latter is presented. We illustrate our method for qubit, qutrit, and qubit-pair pure dephasing and describe how to implement our approach with quantum process tomography experiments. Our work is readily applicable to present-day quantum experiments.
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Registered trials
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