An experiment for observing quantum gravity phenomena using twin table-top 3D interferometers

Vermeulen, S. M., Aiello, L., Ejlli, A., Griffiths, W. L., James, A., Dooley, K. L. ORCID: https://orcid.org/0000-0002-1636-0233 and Grote, H. ORCID: https://orcid.org/0000-0002-0797-3943 2021. An experiment for observing quantum gravity phenomena using twin table-top 3D interferometers. Classical and Quantum Gravity 38 (8) , 085008. 10.1088/1361-6382/abe757

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Abstract

Theories of quantum gravity based on the holographic principle predict the existence of quantum fluctuations of distance measurements that accumulate and exhibit correlations over macroscopic distances. This paper models an expected signal due to this phenomenology, and details the design and estimated sensitivity of co-located twin table-top 3D interferometers being built to measure or constrain it. The experiment is estimated to be sensitive to displacements $\sim10^{-19}\,\rm{m}/\sqrt{\rm{Hz}}$ in a frequency band between 1 and 250 MHz, surpassing previous experiments and enabling the possible observation of quantum gravity phenomena. The experiment will also be sensitive to MHz gravitational waves and various dark matter candidates.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Publisher:	IOP Publishing
ISSN:	0264-9381
Date of First Compliant Deposit:	18 February 2021
Date of Acceptance:	17 February 2021
Last Modified:	06 Jan 2024 04:02
URI:	https://orca.cardiff.ac.uk/id/eprint/138661

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