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 …

Insights from spectroscopic experiments led to the development of quantum mechanics as
the common theoretical framework for describing the physical and chemical properties of …

Recent mass measurements of light atomic nuclei in Penning traps have indicated possible
inconsistencies in closely related physical constants such as the proton-electron and …

Bound three-body quantum systems are important for fundamental physics, because they
enable tests of quantum electrodynamics theory and provide access to the fundamental …

Complex molecular structure demands customized solutions to laser cooling by extending
its general set of principles and practices. Compared with other laser-cooled molecules …

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 …

Positronium (Ps) is an exotic hydrogenic atom composed of an electron bound to a positron
via the Coulomb force. Being composed of two low-mass leptons, positronium is, for all …

Optical spectroscopy in the gas phase is a key tool for elucidating the structure of atoms and
molecules and their interaction with external fields. The line resolution is usually limited by a …

The masses of the lightest atomic nuclei and the electron mass are interlinked, and their
values affect observables in atomic, molecular,–and neutrino physics, as well as metrology …

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Feedback Circuits Next Article in Journal Numerical Study of Resonant Optical Parametric …