Gravity-induced entanglement in pulsed optomechanics has an input-state-independent threshold g_G > 2 γ_m N_th set by gravitational coupling versus thermal decoherence, with amplification via nonclassical states.
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Derives a separability-preserving bound for bilinear interactions in white thermal noise, proving gravitational coupling must dominate noise for entanglement and that the threshold is independent of initial state or mediators.
Residual particle-shield interactions and thermal vibrations impose strict positional and orientational fluctuation thresholds for observing genuine gravitationally induced entanglement, with magnetic effects dominant in superconducting setups.
citing papers explorer
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Amplification and generation bounds of gravity-induced entanglement in pulsed optomechanical systems
Gravity-induced entanglement in pulsed optomechanics has an input-state-independent threshold g_G > 2 γ_m N_th set by gravitational coupling versus thermal decoherence, with amplification via nonclassical states.
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Universal Bound for Entanglement Generation
Derives a separability-preserving bound for bilinear interactions in white thermal noise, proving gravitational coupling must dominate noise for entanglement and that the threshold is independent of initial state or mediators.
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Stability Thresholds for Gravitationally Induced Entanglement in Shielded Setups
Residual particle-shield interactions and thermal vibrations impose strict positional and orientational fluctuation thresholds for observing genuine gravitationally induced entanglement, with magnetic effects dominant in superconducting setups.