Quantum sensing and metrology for fundamental physics with molecules

D DeMille, NR Hutzler, AM Rey, T Zelevinsky - Nature Physics, 2024 - nature.com
Quantum sensing and metrology use coherent superposition states of quantum systems to
detect and measure physical effects of interest. Their sensitivity is typically limited by the …

Snowmass white paper: beyond the standard model effects on neutrino flavor: Submitted to the proceedings of the US community study on the future of particle …

CA Argüelles, G Barenboim, M Bustamante… - The European Physical …, 2023 - Springer
Neutrinos are one of the most promising messengers for signals of new physics Beyond the
Standard Model (BSM). On the theoretical side, their elusive nature, combined with their …

Narrow and ultranarrow transitions in highly charged Xe ions as probes of fifth forces

NH Rehbehn, MK Rosner, JC Berengut, PO Schmidt… - Physical Review Letters, 2023 - APS
Optical frequency metrology in atoms and ions can probe hypothetical fifth forces between
electrons and neutrons by sensing minute perturbations of the electronic wave function …

Probing fundamental physics with spin-based quantum sensors

DF Jackson Kimball, D Budker, TE Chupp, AA Geraci… - Physical Review A, 2023 - APS
The applications of spin-based quantum sensors to measurements probing fundamental
physics are surveyed. Experimental methods and technologies developed for spin-based …

Terahertz Vibrational Molecular Clock with Systematic Uncertainty at the Level

KH Leung, B Iritani, E Tiberi, I Majewska, M Borkowski… - Physical Review X, 2023 - APS
Neutral quantum absorbers in optical lattices have emerged as a leading platform for
achieving clocks with exquisite spectroscopic resolution. However, the studies of these …

Probing QED and fundamental constants through laser spectroscopy of vibrational transitions in HD+

J Biesheuvel, JP Karr, L Hilico, KSE Eikema… - Nature …, 2016 - nature.com
The simplest molecules in nature, molecular hydrogen ions in the form of H2+ and HD+,
provide an important benchmark system for tests of quantum electrodynamics in complex …

Quantum cascade laser frequency stabilization at the sub-Hz level

B Argence, B Chanteau, O Lopez, D Nicolodi… - Nature …, 2015 - nature.com
High-precision measurements with molecules may refine our knowledge of various fields of
physics, from atmospheric and interstellar physics to the standard model or physics beyond …

Molecular lattice clock with long vibrational coherence

SS Kondov, CH Lee, KH Leung, C Liedl, I Majewska… - Nature Physics, 2019 - nature.com
Atomic lattice clocks have spurred numerous ideas for tests of fundamental physics,
detection of general relativistic effects and studies of interacting many-body systems. On the …

Fifth forces from QCD axions scale differently

M Bauer, G Rostagni - Physical review letters, 2024 - APS
We reexamine the low-energy potential for a macroscopic fifth force generated from the
exchange of two axions. The shift symmetry of the linear axion interactions leads to a …

Benchmarking Theory with an Improved Measurement of the Ionization and Dissociation Energies of

N Hölsch, M Beyer, EJ Salumbides, KSE Eikema… - Physical review …, 2019 - APS
The dissociation energy of H 2 represents a benchmark quantity to test the accuracy of first-
principles calculations. We present a new measurement of the energy interval between the …