Comment on "Revisiting the divergent multipole expansion of atom-surface interactions: Hydrogen and positronium, α-quartz, and physisorption" (arXiv:2308.04656v3)Recently U. D. Jentschura [Phys. Rev. A 109, 012802 (2024)] rederived the multipole corrections to the dipole part of the atom-wall interaction described by the Lifshitz theory using the…G. L. Klimchitskaya·Jan 14, 2025SaveLearn
Photodetachment of negative hydrogen ion beamThe method of H- photoionization is interesting for laser assisted charge exchange injection. In this paper, the model and computation of photoionization of negative hydrogen ion by using strong…T. V. Gorlov, A. Aleksandrov, S. Cousineau et al.·Jan 14, 2025SaveLearn
Theory for the Rydberg states of helium: Comparison with experiment for the 1s24p\;1P1 state (n=24)Recent measurements of the ionization energies of the Rydberg 1P states of helium for principal quantum number n = 24 and higher present a new challenge to theoretical atomic physics. A…Aaron T. Bondy, G. W. F. Drake, Cody McLeod et al.·Jan 10, 2025SaveLearn
The C1u state of potassium dimer revisited: an~extensive study by polarisation labelling spectroscopy methodThe polarisation labelling spectroscopy technique was applied to study the C1u ← X1+g band system in potassium dimer. About 1100 new rotationally…W. Jastrzebski, J Szczepkowski, P. Kowalczyk·Jan 10, 2025SaveLearn
Chemistry in a Cryogenic Buffer Gas CellCryogenic buffer gas sources are ubiquitous for producing cold, collimated molecular beams for quantum science, chemistry, and precision measurements. The molecules are typically produced by laser…Qi Sun, Jinyu Dai, Rian Koots et al.·Jan 9, 2025SaveLearn
Rotational-hyperfine cooling of 205TlF in a cryogenic beamThe aim of CeNTREX (Cold Molecule Nuclear Time-Reversal Experiment) is to search for time-reversal symmetry violation in the thallium nucleus, by measuring the Schiff moment of 205Tl in the…Olivier Grasdijk, David DeMille, Jakob Kastelic et al.·Jan 9, 2025SaveLearn
The double minimum E(3)1+u state in Cs2The double minimum E1+u state in caesium dimer was investigated by analysing spectra of the E1+u ← X1+g band system,…W. Jastrzebski, P. Kowalczyk, J. Szczepkowski et al.·Jan 9, 2025SaveLearn
A Magneto-Optical Trap of Titanium AtomsWe realize laser cooling and trapping of titanium (Ti) atoms in a mangeto-optical trap (MOT). While Ti does not possess a transition suitable for laser cooling out of its 3d24s2…Scott Eustice, Jackson Schrott, Anke Stöltzel et al.·Jan 9, 2025SaveLearn
A Bayesian Approach for Strong Field QED Tests with He-like IonsDetailed comparisons between theory and experiment for quantum electrodynamics (QED) effects in He-like ions have been performed in the literature to search for hints of new physics. Different…César Godinho, Jorge Machado, Nancy Paul et al.·Jan 8, 2025SaveLearn
Quantum Twin InterferometersQuantum-correlated interferometer is a newly emerging tool in quantum technology that offers classical-limit-breaking phase sensitivity. But to date, there exists a configurational bottleneck for its…Wei Du, Shuhe Wu, Dong Zhang et al.·Jan 8, 2025SaveLearn
Phase-contrast imaging of a dense atomic cloudWe present the experimental production and characterization of a dense cold atomic cloud of \(88Sr\) atoms, optimized for the future studies of light transport in highly dense regimes.…M. Frometa Fernandez, P. G. Santos Dias, P. H. Nantes Magnani et al.·Jan 6, 2025SaveLearn
Double-K-hole resonances in single photoionization of He-like B3+ ionsWithin a joint experimental and theoretical research project, single photoionization of He-like B3+ ions was investigated in the energy range from approximately 250 to 1200~eV. With the…A. Müller, P. -M. Hillenbrand, S. -X. Wang et al.·Jan 6, 2025SaveLearn
Combining laser cooling and Zeeman deceleration for precision spectroscopy in supersonic beamsPrecision spectroscopic measurements in atoms and molecules play an increasingly important role in chemistry and physics, e.g., to characterize structure and dynamics at long timescales, to determine…Gloria Clausen, Laura Gabriel, Josef A. Agner et al.·Jan 6, 2025SaveLearn
Metrology in a two-electron atom: The ionization energy of metastable triplet helium (2\,3S1)Helium (He) is the ideal atom to perform tests of ab-initio calculations in two-electron systems that consider all known effects, including quantum-electrodynamics and nuclear-size contributions.…Gloria Clausen, Kai Gamlin, Josef A. Agner et al.·Jan 6, 2025SaveLearn
Bremsstrahlung induced atomic processesThe observed spectra in the collisions of neon (Ne) projectiles of 1.8 and 2.1 MeV with an aluminum target (Al) have been successfully segregated from strong bremsstrahlung backgrounds and then…Shashank Singh, Narendra Kumar, Soumya Chatterjee et al.·Jan 6, 2025SaveLearn
Precision measurements of muonium and muonic helium hyperfine structure at J-PARCAt the J-PARC Muon Science Facility (MUSE), the MuSEUM collaboration is now performing new precision measurements of the ground state hyperfine structure (HFS) of both muonium and muonic helium…Patrick Strasser, Mitsushi Abe, Kanta Asai et al.·Jan 6, 2025SaveLearn
Sub-Doppler spectroscopy of Rydberg atoms via velocity selection memory in a hot vapor cellWe study resonance redistribution mechanisms inside a hot vapor cell. This is achieved by pumping atoms on the first cesium resonance, 6S1/2-->6P1/2, and subsequently probing the velocity…Esther Butery, Biplab Dutta, Stephany Santos et al.·Jan 5, 2025SaveLearn
Ferromagnetic Traps for Quasi-Continuous Operation of Optical Nanofiber InterfacesA soft ferromagnetic plate uniformizes Tesla-level fields generated by attached permanent magnets, producing a smooth and electronically tunable surface field on the opposite side. By arranging n…Ruijuan Liu, Jinggu Wu, Yuan Jiang et al.·Dec 30, 2024SaveLearn
Interleaved dual-species arrays of single atoms using a passive optical element and one trapping laserWe demonstrate trapping of individual rubidium (Rb) and cesium (Cs) atoms in an interleaved array of bright tweezers and dark bottle-beam traps, using a microfabricated optical element illuminated by…Chengyu Fang, Jared Miles, Jonathan Goldwin et al.·Dec 28, 2024SaveLearn
High precision spectroscopy of trilobite Rydberg moleculesWe perform three-photon photoassociation to obtain high resolution spectra of 87Rb trilobite dimers for the principal quantum numbers n = 22,24,25,26, and 27. The large binding energy of the…Markus Exner, Rohan Srikumar, Richard Blättner et al.·Dec 27, 2024SaveLearn
Nondipole circularly polarized laser-assisted photoelectron emissionWe theoretically study atomic laser-assisted photoelectric emission (LAPE) beyond the electric dipole approximation. We present a theoretical description for first-order nondipole corrections…R. Della Picca, J. M. Randazzo, S. D. López et al.·Dec 26, 2024SaveLearn
Nanofiber-based second-order atomic Bragg lattice for collectively enhanced couplingWe propose two experimental schemes for nanofiber-based compensated optical dipole traps that optimize the collective coupling of a one-dimensional array of atoms. The created array satisfies the…N. Vera, P. Solano·Dec 26, 2024SaveLearn
Blue laser induced bright red fluorescence in hot cesium vaporWe have observed laser-induced fluorescence using 456 nm laser radiation, resonant with the 6S1/2-7P3/2 transition in Cs atoms. It includes red emission lines in the range of 580-730 nm and a…Armen Sargsyan, Anahit Gogyan, David Sarkisyan·Dec 26, 2024SaveLearn
Transferring vibrational states of trapped atoms via a Rydberg electronWe show theoretically that it is possible to coherently transfer vibrational excitation between trapped neutral atoms over a micrometer apart. To this end we consider three atoms, where two are in…Abhijit Pendse, Sebastian Wüster, Matthew T. Eiles et al.·Dec 26, 2024SaveLearn
Orbital Collapse in Exotic Atoms and Its Effect on DynamicsWe study the energy structures of muonic Ar atoms and find the muon orbital collapses at a critical angular momentum lc using density-functional theory (DFT). The lc may provide an upper limit…X. M. Tong, K. Tokesi, D. Kato et al.·Dec 25, 2024SaveLearn