Quantum Gravity Background in Next-Generation Gravitational Wave Detectors

Dongjun Li; Kathryn M. Zurek; Mathew W. Bub; Yanbei Chen; Yiwen Zhang; Yufeng Du

Quantum Gravity Background in Next-Generation Gravitational Wave Detectors

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arxiv 2305.11224 v1 pith:72DME5ME submitted 2023-05-18 gr-qc hep-phhep-th

Mathew W. Bub , Yanbei Chen , Yufeng Du , Dongjun Li , Yiwen Zhang , Kathryn M. Zurek This is my paper · ORCID

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keywords gravitationalwavebackgrounddetectorsgravitynext-generationquantumappears

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We study the effects of geontropic vacuum fluctuations in quantum gravity on next-generation terrestrial gravitational wave detectors. If the VZ effect proposed in Ref. [1], as modeled in Refs. [2, 3], appears in the upcoming GQuEST experiment, we show that it will be a large background for astrophysical gravitational wave searches in observatories like Cosmic Explorer and the Einstein Telescope.

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Quantum Area Fluctuations from Gravitational Phase Space
hep-th 2025-04 reject novelty 7.0 of 10

The variance of area fluctuations of a causal diamond in Minkowski spacetime is claimed to satisfy ⟨(ΔA)²⟩ ≥ (2πG/d)⟨A⟩, using quantized gravitational phase space on a stretched horizon.

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