Constraints on Scalar Field dark matter from Colocated Michelson interferometers

Aiello, Lorenzo, Richardson, Jonathan W., Vermeulen, Sander, Grote, Hartmut ORCID: https://orcid.org/0000-0002-0797-3943, Hogan, Craig, Kwon, Ohkyung and Stoughton, Chris 2022. Constraints on Scalar Field dark matter from Colocated Michelson interferometers. Physical Review Letters 128 (12) , 121101. 10.1103/PhysRevLett.128.121101

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Abstract

Low-mass (sub-eV) scalar field dark matter may induce apparent oscillations of fundamental constants, resulting in corresponding oscillations of the size and the index of refraction of solids. Laser interferometers are highly sensitive to changes in the size and index of refraction of the main beam splitter. Using cross-correlated data of the Fermilab Holometer instrument, which consists of twin colocated 40-m arm length power-recycled interferometers, we investigate the possible existence of scalar field dark matter candidates in the mass range between 1.6×1e−12 eV and 1.0×1e−7 eV. We set new upper limits for the coupling parameters of scalar field dark matter, improving on limits from previous direct searches by up to 3 orders of magnitude.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Physics and Astronomy
Subjects:	Q Science > QC Physics
Additional Information:	Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license.
Publisher:	American Physical Society
ISSN:	0031-9007
Date of First Compliant Deposit:	28 March 2022
Date of Acceptance:	17 February 2022
Last Modified:	05 Jan 2024 07:57
URI:	https://orca.cardiff.ac.uk/id/eprint/148934

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