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 …

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 …

New horizons: Scalar and vector ultralight dark matter

D Antypas, A Banerjee, C Bartram… - arxiv preprint arxiv …, 2022 - arxiv.org
The last decade has seen unprecedented effort in dark matter model building at all mass
scales coupled with the design of numerous new detection strategies. Transformative …

Physics of laser-driven tin plasma sources of EUV radiation for nanolithography

OO Versolato - Plasma Sources Science and Technology, 2019 - iopscience.iop.org
Laser-produced transient tin plasmas are the sources of extreme ultraviolet (EUV) light at
13.5 nm wavelength for next-generation nanolithography, enabling the continued …

Enhanced effects of variation of the fundamental constants in laser interferometers and application to dark-matter detection

YV Stadnik, VV Flambaum - Physical Review A, 2016 - APS
We outline laser interferometer measurements to search for variation of the electromagnetic
fine-structure constant α and particle masses (including a nonzero photon mass). We …

The Heidelberg compact electron beam ion traps

P Micke, S Kühn, L Buchauer, JR Harries… - Review of Scientific …, 2018 - pubs.aip.org
Highly charged ions (HCIs) constitute a large class of atomic systems since each element
has as many ionization states as it has protons—in a sense, this extends the periodic table …

Hyperfine-structure-resolved laser spectroscopy of many-electron highly charged ions

N Kimura, Priti, Y Kono, P Pipatpakorn… - Communications …, 2023 - nature.com
Hyperfine structures of highly charged ions (HCIs) are favourable spectroscopic targets for
exploring fundamental physics along with nuclear properties. Recent proposals of HCI …

Electronic Bridge Excitation in Highly Charged Ions

PV Bilous, H Bekker, JC Berengut, B Seiferle… - Physical Review Letters, 2020 - APS
The excitation of the 8 eV Th 229 m isomer through the electronic bridge mechanism in
highly charged ions is investigated theoretically. By exploiting the rich level scheme of open …

Sensitivity to new physics of isotope-shift studies using the coronal lines of highly charged calcium ions

NH Rehbehn, MK Rosner, H Bekker, JC Berengut… - Physical Review A, 2021 - APS
Promising searches for new physics beyond the current standard model (SM) of particle
physics are feasible through isotope-shift spectroscopy, which is sensitive to a hypothetical …

Ultrastable and ultra-accurate clock transitions in open-shell highly charged ions

C Lyu, CH Keitel, Z Harman - Communications Physics, 2025 - nature.com
Highly charged ions (HCIs) are less sensitive to external perturbations and are therefore
attractive for the development of ultrastable clocks. However, only a few HCI candidates are …