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Stress Tensor Fluctuations and Passive Quantum Gravity

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arxiv gr-qc/0102063 v2 pith:HBPP226C submitted 2001-02-13 gr-qc

L.H. Ford , Chun-Hsien Wu This is my paper
classification gr-qc
keywords fluctuationsgravityquantumstresstensordiscussedmetricpassive
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The quantum fluctuation of the stress tensor of a quantum field are discussed, as are the resulting spacetime metric fluctuations. Passive quantum gravity is an approximation in which gravity is not directly quantized, but fluctuations of the spacetime geometry are driven by stress tensor fluctuations. We discuss a decomposition of the stress tensor correlation function into three parts, and consider the physical implications of each part. The operational significance of metric fluctuations and the possible limits of validity of semiclassical gravity are discussed.

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  1. Recent developments in semiclassical gravity

    gr-qc 2025-09 unverdicted novelty 2.0 of 10

    A short survey of semiclassical gravity advances, with emphasis on the author's own results on the initial value problem and a conjecture that black hole information loss is avoided.

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