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Analysis of atomic-clock data to constrain variations of fundamental constants
- Source :
- New J.Phys. 25 (2023) 9, 093012
- Publication Year :
- 2023
-
Abstract
- We present a new framework to study the time variation of fundamental constants in a model-independent way. Model independence implies more free parameters than assumed in previous studies. Using data from atomic clocks based on $^{87}$Sr, $^{171}$Yb$^+$ and $^{133}$Cs, we set bounds on parameters controlling the variation of the fine-structure constant, $\alpha$, and the electron-to-proton mass ratio, $\mu$. We consider variations on timescales ranging from a minute to almost a day. In addition, we use our results to derive some of the tightest limits to date on the parameter space of models of ultralight dark matter and axion-like particles.
- Subjects :
- Physics - Atomic Physics
High Energy Physics - Phenomenology
Subjects
Details
- Database :
- arXiv
- Journal :
- New J.Phys. 25 (2023) 9, 093012
- Publication Type :
- Report
- Accession number :
- edsarx.2302.04565
- Document Type :
- Working Paper