Search for new physics with atoms and molecules

MS Safronova, D Budker, D DeMille, DFJ Kimball… - Reviews of Modern …, 2018 - APS
This article reviews recent developments in tests of fundamental physics using atoms and
molecules, including the subjects of parity violation, searches for permanent electric dipole …

Atomic clocks for geodesy

TE Mehlstäubler, G Grosche, C Lisdat… - Reports on Progress …, 2018 - iopscience.iop.org
We review experimental progress on optical atomic clocks and frequency transfer, and
consider the prospects of using these technologies for geodetic measurements. Today …

Space-borne frequency comb metrology

M Lezius, T Wilken, C Deutsch, M Giunta, O Mandel… - Optica, 2016 - opg.optica.org
Precision time references in space are of major importance to satellite-based fundamental
science, global satellite navigation, earth observation, and satellite formation flying. Here we …

MICROSCOPE Mission: First Constraints on the Violation of the Weak Equivalence Principle by a Light Scalar Dilaton

J Bergé, P Brax, G Métris, M Pernot-Borràs, P Touboul… - Physical review …, 2018 - APS
The existence of a light or massive scalar field with a coupling to matter weaker than
gravitational strength is a possible source of violation of the weak equivalence principle. We …

Searching for an oscillating massive scalar field as a dark matter candidate using atomic hyperfine frequency comparisons

A Hees, J Guéna, M Abgrall, S Bize, P Wolf - Physical review letters, 2016 - APS
We use 6 yrs of accurate hyperfine frequency comparison data of the dual rubidium and
caesium cold atom fountain FO2 at LNE-SYRTE to search for a massive scalar dark matter …

Search for ultralight scalar dark matter with atomic spectroscopy

K Van Tilburg, N Leefer, L Bougas, D Budker - Physical review letters, 2015 - APS
We report new limits on ultralight scalar dark matter (DM) with dilatonlike couplings to
photons that can induce oscillations in the fine-structure constant α. Atomic dysprosium …

Towards an optical clock for space: Compact, high-performance optical lattice clock based on bosonic atoms

S Origlia, MS Pramod, S Schiller, Y Singh, K Bongs… - Physical Review A, 2018 - APS
Optical clocks operated on satellites are expected to open up new opportunities in time
transfer, geodesy, fundamental physics, and satellite navigation. Here we demonstrate an …

Searching for scalar dark matter via coupling to fundamental constants with photonic, atomic, and mechanical oscillators

WM Campbell, BT McAllister, M Goryachev… - Physical Review Letters, 2021 - APS
We present a way to search for light scalar dark matter (DM), seeking to exploit putative
coupling between dark matter scalar fields and fundamental constants, by searching for …

Searching for ultralight axions with twisted cavity resonators of anyon rotational symmetry with bulk modes of nonzero helicity

JF Bourhill, ECI Paterson, M Goryachev, ME Tobar - Physical Review D, 2023 - APS
Möbius-ring resonators stem from a well-studied and fascinating geometrical structure which
features a one-sided topology, the Möbius strip, and have been shown to exhibit fermion …

Search for a variation of the fine structure constant around the supermassive black hole in our Galactic Center

A Hees, T Do, BM Roberts, AM Ghez, S Nishiyama… - Physical review …, 2020 - APS
Searching for space-time variations of the constants of Nature is a promising way to search
for new physics beyond general relativity and the standard model motivated by unification …