Bulletin of the American Physical Society
54th Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
Volume 68, Number 7
Monday–Friday, June 5–9, 2023; Spokane, Washington
Session F01: Poster Session I (4:00pm-6:00pm PT)
4:00 PM,
Tuesday, June 6, 2023
Room: Exhibit Hall C
Abstract: F01.00140 : Utilising Atom Interferometers for Dark Matter Detection*
Presenter:
Daniel Derr
(Technical University of Darmstadt)
Authors:
Daniel Derr
(Technical University of Darmstadt)
Enno Giese
(Technical University of Darmstadt)
These features are not exclusive to atomic clocks, as atom interferometers can detect EEP violations as well, for example via gravimetry. In addition, atomic diffraction processes allow for driving internal transitions, which connects clocks and atom interferometers in a natural fashion.
Making use of the atom interferometer’s internal (clock) transitions allows combining the clock’s and the atom interferometer’s susceptibility to DM in a single apparatus. Furthermore, the atoms’ centre-of-mass motion is potentially affected by DM as well, making atom interferometers susceptible to DM even without internal transitions.
In this contribution we present a unified treatment of clocks and atom interferometers, in which relativistic effects, mass defects, and violation parameters (due to DM and EEP) are included. Based on this formalism, we investigate the leading-order effects for atom interferometers with and without internal transitions, as well as quantum clock interferometry. Consequently, different setups are analysed. Overall, we identify the effects of DM in atom interferometers and discuss the difference between the ones induced by the atom’s clock properties and centre-of-mass effects.
*The INTENTAS project is supported by the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt, DLR) with funds provided by the Federal Ministry of Economic Affairs and Energy (Bundesministerium für Wirtschaft und Energie, BMWi) due to an enactment of the German Bundestag under grant no. 50WM2177 (INTENTAS).
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