Gravity-induced entanglement is not a theory-independent witness of nonclassicality of the gravitational field

arXiv:2511.02683 · gr-qc, quant-ph · Submitted 2025-11-04 · Read on arXiv

gr-qc, quant-ph

Submitted: 2025-11-04

Updated: 2026-09-16

Terminology

• Entanglement — 52× in this paper · explained in 3 episodes
• No-Go Theorem — 45× in this paper · explained in 2 episodes
• Hilbert Space — 3× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Hybrid System — 1× in this paper · explained in 2 episodes
• Non-Gaussianity — 1× in this paper · explained in 2 episodes
• Quantization — 1× in this paper · explained in 12 episodes

Sources

• A Spin Entanglement Witness for Quantum Gravity
• Gravitationally-induced entanglement between two massive particles is sufficient evidence of quantum effects in gravity
• The Schr\"odinger-Newton equation and its foundations
• Quantum Gravity at Low Energies
• Measurement of Gravitational Coupling between Millimeter-Sized Masses
• Realization of a complete Stern-Gerlach interferometer: Towards a test of quantum gravity
• How to avoid the appearance of a classical world in gravity experiments
• A Spin-Based Pathway to Testing the Quantum Nature of Gravity
• Non-Gaussianity as a signature of a quantum theory of gravity
• The Noise of Gravitons
• Loss of coherence and coherence protection from a graviton bath
• Detecting single gravitons with quantum sensing
• Quantum effects in gravity beyond the Newton potential from a delocalised quantum source
• A truly relativistic gravity mediated entanglement protocol using superpositions of rotational energies
• Angular Momentum Entanglement Mediated By General Relativistic Frame Dragging
• Evidencing Quantum Gravity with Thermodynamical Observables
• Quantum entanglement
• Witnessing non-classicality beyond quantum theory
• A no-go theorem on the nature of the gravitational field beyond quantum theory
• Gravity-mediated entanglement via infinite-dimensional systems

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