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 …

Opportunities for fundamental physics research with radioactive molecules

G Arrowsmith-Kron… - Reports on Progress …, 2023 - iopscience.iop.org
Molecules containing short-lived, radioactive nuclei are uniquely positioned to enable a
wide range of scientific discoveries in the areas of fundamental symmetries, astrophysics …

Analysis of atomic-clock data to constrain variations of fundamental constants

N Sherrill, AO Parsons, CFA Baynham… - New Journal of …, 2023 - iopscience.iop.org
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 …

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 …

Equation of state of the running vacuum

C Moreno-Pulido, JS Peracaula - The European Physical Journal C, 2022 - Springer
Recent studies of quantum field theory in FLRW spacetime suggest that the cause of the
speeding up of the universe is the running vacuum (RV), see Moreno-Pulido and Solà …

Running vacuum in QFT in FLRW spacetime: the dynamics of from the quantized matter fields

C Moreno-Pulido, JS Peracaula… - The European Physical …, 2023 - Springer
Phenomenological work in the last few years has provided significant support to the idea
that the vacuum energy density (VED) is a running quantity with the cosmological evolution …

pCI: A parallel configuration interaction software package for high-precision atomic structure calculations

C Cheung, MG Kozlov, SG Porsev… - Computer Physics …, 2025 - Elsevier
We introduce the pCI software package for high-precision atomic structure calculations. The
standard method of calculation is based on the configuration interaction (CI) method to …

Excited-band coherent delocalization for improved optical lattice clock performance

JL Siegel, WF McGrew, YS Hassan, CC Chen… - Physical Review Letters, 2024 - APS
We implement coherent delocalization as a tool for improving the two primary metrics of
atomic clock performance: systematic uncertainty and instability. By decreasing atomic …

Understanding Inner-Shell Excitations in Molecules through Spectroscopy of the Hole States of YbF

S Popa, S Schaller, A Fielicke, J Lim, BG Sartakov… - Physical Review X, 2024 - APS
Molecules containing a lanthanide atom have sets of electronic states arising from excitation
of an inner-shell electron. These states have received little attention but are thought to play …

Quantum sensing for particle physics

SD Bass, M Doser - Nature Reviews Physics, 2024 - nature.com
Quantum sensing uses properties of quantum mechanics to go beyond what is possible with
traditional measurement techniques. In particle physics, key problems in which quantum …