Entanglement without Quantum Mechanics: Operational Constraints on the Quantum Signature

arXiv:2512.14834 · quant-ph · Submitted 2025-12-16 · Read on arXiv

quant-ph

Submitted: 2025-12-16

Updated: 2026-09-16

Terminology

• Entanglement — 67× in this paper · explained in 3 episodes
• Wigner function — 16× in this paper · explained in 2 episodes
• Hilbert Space — 10× in this paper · explained in 2 episodes
• Hybrid Entanglement — 3× in this paper · explained in 2 episodes
• Quantum Physics — 2× in this paper · explained in 10 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Trace — 1× in this paper · explained in 2 episodes

Sources

• In defense of the epistemic view of quantum states: a toy theory
• Which features of quantum physics are not fundamentally quantum but are due to indeterminism?
• Gaussian Quantum Information
• Detecting quantum non-Gaussianity via the Wigner function
• Reconstruction of Gaussian quantum mechanics from Liouville mechanics with an epistemic restriction
• Detection of non-Gaussian entangled states with an improved continuous-variable separability criterion
• Negativity of the Wigner function as an indicator of nonclassicality
• Peres-Horodecki separability criterion for continuous variable systems
• Entanglement in continuous variable systems: Recent advances and current perspectives
• Phase space representation of quantum dynamics
• Gravitational Entanglement in Optomechanics: Distinguishing Classical and Quantum Models

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