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Quantum-gravitational noise correlation in nearby detectors

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arxiv 2312.17335 v2 pith:LRDQXALE submitted 2023-12-28 gr-qc hep-th

Maulik Parikh , Francesco Setti This is my paper · ORCID
classification gr-qchep-th
keywords noisedetectorscorrelationfluctuationsarmscorrelatedgravitationalnearby
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We consider quantum gravity fluctuations in a pair of nearby gravitational wave detectors. Quantum fluctuations of long-wavelength modes of the gravitational field induce coherent fluctuations in the detectors, leading to correlated noise. We determine the variance and covariance in the lengths of the arms of the detectors, and thereby obtain the graviton noise correlation. We find that the correlation depends on the angle between the detector arms as well as their separation distance. Using our result, we propose an experimental setup to detect this noise. The suggested interferometer configuration can be used to distinguish quantum-gravitational noise from both correlated and uncorrelated sources of background noise.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Suppressed Quantum Effects of Weakly Coupled Waves

    hep-ph 2026-07 conditional novelty 7.0 of 10

    Nonclassical (quantum) signatures of weakly coupled waves are suppressed by an extra power of the tiny conversion efficiency η (~10^-21 for axions, ~10^-33 for gravitons), so experiments cannot establish the quantizat...

  2. Measurement-induced entanglement entropy of gravitational wave detections

    gr-qc 2024-11 reject novelty 4.0 of 10

    The authors compute a model-dependent measurement-induced entanglement entropy for bipartite gravitational wave detections and find it can be a few percent of the mean detector graviton number.

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