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Open Quantum Systems Decoherence Quantum Gravity Relativistic Quantum Information

Gravitational Decoherence Estimation in Optomechanical Systems

arXiv
Authors: Leonardo A. M. Souza, Olimpio P. de Sá Neto, Enrico Russo, Rosario Lo Franco, Gerardo Adesso

Year

2026

Paper ID

776

Status

Preprint

Abstract Read

~2 min

Abstract Words

91

Citations

N/A

Abstract

We develop a comprehensive quantum estimation framework to quantify how precisely gravitationally induced decoherence can be inferred in optomechanical systems, using single-mode Gaussian probe states. Our approach combines a microscopic description of the gravitational diffusion mechanism with quantum Fisher information to determine the ultimate sensitivity achievable in principle. We show that gravitational diffusion leaves distinct, measurable signatures in the mechanical state, both during transient evolution and in the stationary regime. Finally, we identify how probe state preparation shapes the attainable precision, thereby establishing fundamental limits for detecting and estimating gravity-driven decoherence.

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  • This paper contributes to the Quantum Gravity & Relativistic Quantum Information research area in the Quantum Articles archive.
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  • We develop a comprehensive quantum estimation framework to quantify how precisely gravitationally induced decoherence can be inferred in optomechanical systems, using...

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2602.14841 [2] arXiv https://arxiv.org/abs/2602.14841 [3] Publisher https://arxiv.org/abs/2602.14841

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