Quantum metrology with nonclassical states of atomic ensembles

L Pezze, A Smerzi, MK Oberthaler, R Schmied… - Reviews of Modern …, 2018 - APS
Quantum technologies exploit entanglement to revolutionize computing, measurements, and
communications. This has stimulated the research in different areas of physics to engineer …

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 …

[HTML][HTML] Optical clock comparison for Lorentz symmetry testing

C Sanner, N Huntemann, R Lange, C Tamm, E Peik… - Nature, 2019 - nature.com
Questioning basic assumptions about the structure of space and time has greatly enhanced
our understanding of nature. State-of-the-art atomic clocks,–make it possible to precisely test …

Highly charged ions: Optical clocks and applications in fundamental physics

MG Kozlov, MS Safronova… - Reviews of Modern …, 2018 - APS
Recent developments in frequency metrology and optical clocks have been based on
electronic transitions in atoms and singly charged ions as references. The control over all …

Data tables for Lorentz and violation

VA Kostelecký, N Russell - Reviews of Modern Physics, 2011 - APS
This work tabulates measured and derived values of coefficients for Lorentz and CPT
violation in the standard-model extension. Summary tables are extracted listing maximal …

An atomic-array optical clock with single-atom readout

IS Madjarov, A Cooper, AL Shaw, JP Covey… - Physical Review X, 2019 - APS
Currently, the most accurate and stable clocks use optical interrogation of either a single ion
or an ensemble of neutral atoms confined in an optical lattice. Here, we demonstrate a new …

[HTML][HTML] Measuring the stability of fundamental constants with a network of clocks

G Barontini, L Blackburn… - EPJ Quantum …, 2022 - epjquantumtechnology …
The detection of variations of fundamental constants of the Standard Model would provide
us with compelling evidence of new physics, and could lift the veil on the nature of dark …

Geometry and response of Lindbladians

VV Albert, B Bradlyn, M Fraas, L Jiang - Physical Review X, 2016 - APS
Markovian reservoir engineering, in which time evolution of a quantum system is governed
by a Lindblad master equation, is a powerful technique in studies of quantum phases of …

Comagnetometer probes of dark matter and new physics

WA Terrano, MV Romalis - Quantum Science and Technology, 2021 - iopscience.iop.org
Modern comagnetometry is—in absolute energy units—the most sensitive experimental
technique for measuring the energy splitting between quantum states, with certain …

Improved bounds on Lorentz violation from composite pulse Ramsey spectroscopy in a trapped ion

LS Dreissen, CH Yeh, HA Fürst… - Nature …, 2022 - nature.com
In attempts to unify the four known fundamental forces in a single quantum-consistent theory,
it is suggested that Lorentz symmetry may be broken at the Planck scale. Here we search for …