Probing dark matter with polarimetry techniques

Ejlli, Aldo, Vermeulen, Sander, Schwartz, Eyal, Aiello, Lorenzo and Grote, Hartmut ORCID: https://orcid.org/0000-0002-0797-3943 2023. Probing dark matter with polarimetry techniques. Physical Review D 107 , 083035. 10.1103/PhysRevD.107.083035

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Abstract

In this work, we propose polarimetry experiments to search for low-mass (sub-eV) bosonic field dark matter, including axions and axionlike particles. We show that a polarimetry configuration consisting of a thick birefringent solid inside a Fabry-Pérot cavity is exceptionally sensitive to scalar field dark matter, which may cause oscillatory variations in the solid’s thickness and refractive index. In addition, we show that a reconfiguration of this polarimetry experiment, in which two quarter-wave plates are placed inside the Fabry-Pérot cavity instead of a thick birefringent solid, is very sensitive to axionlike particles. We investigate the possibility of using cross-correlation of twin polarimeters to increase the sensitivity of the experiment, which in turn could allow us to explore unexplored parts of the parameter space and potentially detect a signal in either dark matter scenario.

Item Type:	Article
Date Type:	Published Online
Status:	Published
Schools:	Physics and Astronomy
Publisher:	American Physical Society
ISSN:	2470-0010
Date of First Compliant Deposit:	15 May 2023
Date of Acceptance:	31 March 2023
Last Modified:	06 Jan 2024 04:11
URI:	https://orca.cardiff.ac.uk/id/eprint/159488

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