Details
| Original language | English |
|---|---|
| Article number | 093010 |
| Journal | New journal of physics |
| Volume | 22 |
| Issue number | 9 |
| Publication status | Published - Sept 2020 |
| Externally published | Yes |
Abstract
We search for transient variations of the fine structure constant using data from a European network of fiber-linked optical atomic clocks. By searching for coherent variations in the recorded clock frequency comparisons across the network, we significantly improve the constraints on transient variations of the fine structure constant. For example, we constrain the variation to5 × 10-17 for transients of duration 103 s. This analysis also presents a possibility to search for dark matter, the mysterious substance hypothesised to explain galaxy dynamics and other astrophysical phenomena that is thought to dominate the matter density of the universe. At the current sensitivity level, we find no evidence for dark matter in the form of topological defects (or, more generally, any macroscopic objects), and we thus place constraints on certain potential couplings between the dark matter and standard model particles, substantially improving upon the existing constraints, particularly for large (104 km) objects.
Keywords
- Atomic clock, Dark matter, Fine structure constant, Quantum sensor
ASJC Scopus subject areas
- Physics and Astronomy(all)
- General Physics and Astronomy
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In: New journal of physics, Vol. 22, No. 9, 093010, 09.2020.
Research output: Contribution to journal › Article › Research › peer review
}
TY - JOUR
T1 - Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks
AU - Roberts, B. M.
AU - Delva, P.
AU - Al-Masoudi, A.
AU - Amy-Klein, A.
AU - Bærentsen, C.
AU - Baynham, C. F.A.
AU - Benkler, E.
AU - Bilicki, S.
AU - Bize, S.
AU - Bowden, W.
AU - Calvert, J.
AU - Cambier, V.
AU - Cantin, E.
AU - Curtis, E. A.
AU - Dörscher, S.
AU - Favier, M.
AU - Frank, F.
AU - Gill, P.
AU - Godun, R. M.
AU - Grosche, G.
AU - Guo, C.
AU - Hees, A.
AU - Hill, I. R.
AU - Hobson, R.
AU - Huntemann, N.
AU - Kronjäger, J.
AU - Koke, S.
AU - Kuhl, A.
AU - Lange, R.
AU - Legero, T.
AU - Lipphardt, B.
AU - Lisdat, C.
AU - Lodewyck, J.
AU - Lopez, O.
AU - Margolis, H. S.
AU - Álvarez-Martínez, H.
AU - Meynadier, F.
AU - Ozimek, F.
AU - Peik, E.
AU - Pottie, P. E.
AU - Quintin, N.
AU - Sanner, C.
AU - De Sarlo, L.
AU - Schioppo, M.
AU - Schwarz, R.
AU - Silva, A.
AU - Sterr, U.
AU - Tamm, Chr
AU - Le Targat, R.
AU - Tuckey, P.
AU - Vallet, G.
AU - Waterholter, T.
AU - Xu, D.
AU - Wolf, P.
N1 - Funding information: Original content from this work may be used under the terms of the . Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Agence Nationale de la Recherche https://doi.org/10.13039/501100001665 (Labex First-TF ANR-10-LABX-48-01 Equipex REFIMEV European Metrology Programme for Innovation and Research 15SIB03 (OC18) 15SIB05 (OFTEN) Horizon 2020 Framework Programme https://doi.org/10.13039/100010661 ERC AdOC Grant No. 617553 Deutsche Forschungsgemeinschaft https://doi.org/10.13039/501100001659 QuantumFrontiers EXC 2123 CRC 1227 (DQ-mat proje yes ? 2020 The Author(s). Published by IOP Publishing Ltd on behalf of the Institute of Physics and Deutsche Physikalische Gesellschaft Creative Commons Attribution 4.0 licence
PY - 2020/9
Y1 - 2020/9
N2 - We search for transient variations of the fine structure constant using data from a European network of fiber-linked optical atomic clocks. By searching for coherent variations in the recorded clock frequency comparisons across the network, we significantly improve the constraints on transient variations of the fine structure constant. For example, we constrain the variation to5 × 10-17 for transients of duration 103 s. This analysis also presents a possibility to search for dark matter, the mysterious substance hypothesised to explain galaxy dynamics and other astrophysical phenomena that is thought to dominate the matter density of the universe. At the current sensitivity level, we find no evidence for dark matter in the form of topological defects (or, more generally, any macroscopic objects), and we thus place constraints on certain potential couplings between the dark matter and standard model particles, substantially improving upon the existing constraints, particularly for large (104 km) objects.
AB - We search for transient variations of the fine structure constant using data from a European network of fiber-linked optical atomic clocks. By searching for coherent variations in the recorded clock frequency comparisons across the network, we significantly improve the constraints on transient variations of the fine structure constant. For example, we constrain the variation to5 × 10-17 for transients of duration 103 s. This analysis also presents a possibility to search for dark matter, the mysterious substance hypothesised to explain galaxy dynamics and other astrophysical phenomena that is thought to dominate the matter density of the universe. At the current sensitivity level, we find no evidence for dark matter in the form of topological defects (or, more generally, any macroscopic objects), and we thus place constraints on certain potential couplings between the dark matter and standard model particles, substantially improving upon the existing constraints, particularly for large (104 km) objects.
KW - Atomic clock
KW - Dark matter
KW - Fine structure constant
KW - Quantum sensor
UR - http://www.scopus.com/inward/record.url?scp=85092383216&partnerID=8YFLogxK
U2 - 10.1088/1367-2630/abaace
DO - 10.1088/1367-2630/abaace
M3 - Article
AN - SCOPUS:85092383216
VL - 22
JO - New journal of physics
JF - New journal of physics
SN - 1367-2630
IS - 9
M1 - 093010
ER -