Precision spectroscopy and frequency determination of the hyperfine components of the P(63) 4-4 transition of molecular iodine near 652 nmWe report the observation of the hyperfine spectrum of the weak P(63)4-4 line of the B-X electronic transition of molecular iodine 127I2 near 652.4 nm, using frequency-modulated saturated absorption…Shamaila Manzoor, Mauro Chiarotti, Samuel A. Meek et al.·Oct 4, 2024SaveLearn
Atom Camera: Super-resolution scanning microscope of a light pattern with a single ultracold atomSub-micrometer scale light patterns play a pivotal role in various fields, including biology, biophysics, and AMO physics. High-resolution, in situ observation of light profiles is essential for…Takafumi Tomita, Yuki Torii Chew, Rene Villela et al.·Oct 4, 2024SaveLearn
On Resonance Enhancement of E1-E2 Nondipole Photoelectron Asymmetries in Low-Energy Ne 2p-PhotoionizationEarlier, a significant enhancement of the nondipole parameters γ2p, δ2p, and ζ2p = γ2p + 3δ2p in the photoelectron angular distribution for Ne 2p…Valeriy K. Dolmatov, Steven T. Manson·Oct 3, 2024SaveLearn
QED calculations of the E1 transition amplitude in neon-like iron and nickelWe calculated QED corrections to the E1 transition amplitudes in Ne-like iron and nickel. For the 2p 3d transitions the dominant effect came from the many-electron mixing, or electronic…M. G. Kozlov, V. A. Yerokhin, M. Y. Kaygorodov. et al.·Oct 3, 2024SaveLearn
Wideband Search for Axionlike Dark Matter Using Octupolar Nuclei in a CrystalMost of the matter in the Universe is in the form of dark matter, which has evaded detection so far. Ultralight axionlike particles (ALPs) are a class of dark matter candidates that produce…Mingyu Fan, Bassam Nima, Aleksandar Radak et al.·Oct 3, 2024SaveLearn
229ThF4 thin films for solid-state nuclear clocksAfter nearly fifty years of searching, the vacuum ultraviolet 229Th nuclear isomeric transition has recently been directly laser excited [1,2] and measured with high spectroscopic precision [3].…Chuankun Zhang, Lars von der Wense, Jack F. Doyle et al.·Oct 2, 2024SaveLearn
Rabi oscillations at three-photon laser excitation of a single rubidium Rydberg atom in an optical dipole trapIn an experiment on three-photon laser excitation 5S1/2 5P3/2 6S1/2 37P3/2 of a single 87Rb Rydberg atom in an optical dipole trap, we have observed for the first time…I. I. Beterov, E. A. Yakshina, G. Suliman et al.·Oct 2, 2024SaveLearn
Measurement of ionization delays in atomic REMPI using photoelectron vorticesWe study time-delays in atomic multiphoton ionization (MPI) using the phase-sensitive detection of photoelectron vortices. Photoelectron vortices are created by MPI with counter-rotating circularly…D. Köhnke, T. Bayer, M. Wollenhaupt·Oct 2, 2024SaveLearn
Relativistic and electron-correlation effects in static dipole polarizabilities for group 11 elementsThe static dipole polarizabilities of group 11 elements (Cu, Ag, and Au) are computed using the relativistic coupled-cluster method with single, double, and perturbative triple excitations. Three…YingXing Cheng·Oct 2, 2024SaveLearn
Distribution of angular momenta ML and MS in non-relativistic configurations: statistical analysis using cumulants and Gram-Charlier seriesThe distributions P(ML,MS) of the total magnetic quantum numbers ML and MS for N electrons of angular momentum , as well as the enumeration of LS spectroscopic terms and spectral…Jean-Christophe Pain, Michel Poirier·Oct 2, 2024SaveLearn
Energy-conservation conditions in saddle-point approximation for the strong-field-ionization of atomsOrbit-based methods are widespread in strong-field laser-matter interaction. They provide a framework in which photoelectron momentum distributions can be interpreted as the quantum interference…T. Rook, D. Habibović, C. Figueira de Morisson Faria·Oct 1, 2024SaveLearn
Production and study of antideuterium with the GBAR beamlineThe potential of circulating antideuterons (d) in the AD/ELENA facility at CERN is under active investigation. Approximately 100 d per bunch could be…Philipp Blumer, Ben Ohayon, Paolo Crivelli·Oct 1, 2024SaveLearn
Phase projection errors in rf-driven optically pumped magnetometersWe investigate the phase relationship between the oscillating (rf) excitation field and the detected (light) power modulation in scalar rf-driven optically pumped magnetometers (OPMs), in particular…Zoran D. Grujić, Marija Ćurĉić, Aleksandra Kocić et al.·Sep 30, 2024SaveLearn
Shaped free electron vorticesSince their first theoretical proposal [Ngoko Djiokap et al., Phys. Rev. Lett. 115, 113004 (2015)] and experimental demonstration [Pengel et al., Phys. Rev. Lett. 118, 053003 (2017)], free electron…D. Köhnke, T. Bayer, M. Wollenhaupt·Sep 30, 2024SaveLearn
Rydberg-atom manipulation through strong interaction with free electronsOptically trapped Rydberg atoms are a suitable platform to explore quantum many-body physics mediated by long-range atom--atom interactions that can be engineered through externally applied light…Adamantios P. Synanidis, P. A. D. Gonçalves, F. Javier García de Abajo·Sep 27, 2024SaveLearn
Energy Levels and Transition Rates of Laser-Cooling Candidate Th-The energy levels and transition rates of promising laser-cooling candidate thorium anion Th- have been experimentally obtained in the current work. Three new excited states between the bound-bound…Rui Zhang, Yuzhu Lu, Shuaiting Yan et al.·Sep 27, 2024SaveLearn
Conveyor-belt magneto-optical trapping of moleculesLaser cooling is used to produce ultracold atoms and molecules for quantum science and precision measurement applications. Molecules are more challenging to cool than atoms due to their vibrational…Grace K. Li, Christian Hallas, John M. Doyle·Sep 26, 2024SaveLearn
Vacuum polarization corrections to hyperfine structure in many-electron atomsWe perform a theoretical study of vacuum polarization corrections to the hyperfine structure in many-electron atoms. Calculations are performed for systems of interest for precision atomic tests of…J. C. Hasted, C. J. Fairhall, O. R. Smits et al.·Sep 26, 2024SaveLearn
Enhancing non-destructive mass identification via Fourier-transform fluorescence analysisSingle-ion mass identification is important for atomic and nuclear physics experiments on ions produced with low yields. Cooling the ion to ultra-low temperatures by interacting with a laser-cooled…Francisco Domínguez, David Yousaf, Joaquín Berrocal et al.·Sep 26, 2024SaveLearn
Ultracold Interactions between Ions and Polar MoleculesWe propose a platform for observing and controlling the interactions between atomic ions and a quantum gas of polar molecules in the ultracold regime. This approach is based on the combination of…Leon Karpa, Olivier Dulieu·Sep 25, 2024SaveLearn
Simulated optical molasses cooling of trapped antihydrogenWe theoretically and computationally investigate the cooling of antihydrogen, H, using optical molasses cooling. This updates the results in Ref. [1] to the current capabilities of the ALPHA…Spencer J. Walsh, C. Ø. Rasmussen, F. Robicheaux·Sep 25, 2024SaveLearn
Many-body gap protection of motional dephasing of an optical clock transitionQuantum simulation and metrology with atoms, ions, and molecules often rely on using light fields to manipulate their internal states. The absorbed momentum from the light fields can induce…Zhijing Niu, Vera M. Schäfer, Haoqing Zhang et al.·Sep 24, 2024SaveLearn
Deployment of a Transportable Yb Optical Lattice ClockWe report on the first deployment of a ytterbium (Yb) transportable optical lattice clock (TOLC), commercially shipping the clock 3,000 km from Boulder, Colorado to Washington DC. The system,…Tobias Bothwell, Wesley Brand, Robert Fasano et al.·Sep 24, 2024SaveLearn
Simple, highly-stable transfer cavity for laser stabilization based on a carbon-fiber reinforced polymer spacerWe describe the design and operation of a high-stability Fabry-Perot cavity, for laser stabilization in cavity quantum-electrodynamics experiments. Our design is based on an inexpensive and readily…Timo Zwettler, Zeyang Xue, Gaia Bolognini et al.·Sep 24, 2024SaveLearn
Nonstationary behavior of the upconversion processes of Er3+:Yb3+ ions pair doping the Y2O3 ceramic illuminated with 976 nm laser lightThe studies of the upconversion response of RE ions in various hosts usually depict a static picture, whereas, at constant illumination, the upconverted emission is also constant. We discovered here…Liviu Dudas·Sep 24, 2024SaveLearn