Dynamic laser ablation loading of a linear Paul trapWe present a detailed method for accumulating Ca+ ions controllably in a linear Paul trap. The ions are generated by pulsed laser ablation and dynamically loaded into the ion trap by switching…Lin Li, Zi Li, Xia Hua et al.·Feb 28, 2024SaveLearn
Increased instantaneous bandwidth of Rydberg atom electrometry with an optical frequency comb probeWe show that the use of an optical frequency comb probe leads to dramatically improved bandwidth (as high as 12+/-1 MHz) for the detection of modulated radio frequencies in Rydberg atom-based…Alexandra B. Artusio-Glimpse, David A. Long, Sean M. Bresler et al.·Feb 27, 2024SaveLearn
Doppler sensitivity and resonant tuning of Rydberg atom-based antennasRadio frequency antennas based on Rydberg atom vapor cells can in principle reach sensitivities beyond those of any wire antenna, especially at lower frequencies where long wires are needed to…Peter B. Weichman·Feb 27, 2024SaveLearn
Independent Rydberg Atom Sensing using a Dual-Ladder SchemeRydberg atom-based electric field sensing can provide all-optical readout of radio frequency fields in a dielectric environment. However, because a single set of optical fields is typically used to…Samuel Berweger, Alexandra B. Artusio-Glimpse, Nikunjkumar Prajapati et al.·Feb 26, 2024SaveLearn
115In+-172Yb+ Coulomb crystal clock with 2.5×10-18 systematic uncertaintyWe present a scalable mixed-species Coulomb crystal clock based on the 1S0 3P0 transition in 115In+. 172Yb+ ions are co-trapped and used for sympathetic…H. N. Hausser, J. Keller, T. Nordmann et al.·Feb 26, 2024SaveLearn
Highly Accurate Description of Long-Range Interactions through the Combination of Neural Networks and Physical ModelsWe present a simple and general way to accurately describe long-range interactions between atoms and molecules through combining neural networks with physical models. Demonstrations on the H3,…Yingyue Hong, Jiayu Huang, Dong H. Zhang·Feb 26, 2024SaveLearn
Cold Beam of 7Li4He DimersWe demonstrate an approach for producing a high flux beam of 7Li4He dimers by performing post-nozzle seeding of a lithium beam into a supersonic helium expansion. The molecular beam has a…Jeremy Glick, William Huntington, Daniel Heinzen·Feb 25, 2024SaveLearn
Photoassociation of multiple cold molecules in a dipole trapThe generation of cold molecules is a core topic in the field of cold atoms and molecules, which has advanced relevant research like ultracold chemistry, quantum computation, and quantum metrology.…Li Li, Yi-Jia Liu, Xiao-Long Zhou et al.·Feb 25, 2024SaveLearn
Cavity based non-destructive detection of photoassociation in a dark MOTThe photoassociation (PA) of rubidium dimer (Rb2) in a dark magneto-optic trap (MOT) is studied using atom-cavity collective strong coupling. This allows non-destructive detection of the molecule…V. I. Gokul, Arun Bahuleyan, S. P. Dinesh et al.·Feb 23, 2024SaveLearn
The Spectrum of He+ as a Proving Ground for Bohr's Model of the Atom: A Legacy of Williamina Fleming's Astrophysical DiscoveryIn 1896, Edward Charles Pickering (1846-1919), Director of the Harvard College Observatory (HCO), reported in a trio of publications the observation of "peculiar spectra" of the southern star ζ…Maria McEachern, Bretislav Friedrich·Feb 22, 2024SaveLearn
Interferometry of Atomic Matter Waves in the Cold Atom Lab onboard the International Space StationUltracold atomic gases hold unique promise for space science by capitalizing on quantum advantages and extended freefall, afforded in a microgravity environment, to enable next-generation precision…Jason R. Williams, Charles A. Sackett, Holger Ahlers et al.·Feb 22, 2024SaveLearn
Isotope-shift analysis with the 4f146s2~1S0- 4f135d6s2(J=2) transition in ytterbiumMeasurements of isotope shifts have recently been attracting considerable attention due to their potentials in searching for new forces. We report on the isotope shifts of the $4f146s2~1S0-…Akio Kawasaki, Takumi Kobayashi, Akiko Nishiyama et al.·Feb 21, 2024SaveLearn
Coherent evolution of superexchange interaction in seconds long optical clock spectroscopyMeasurement science now connects strongly with engineering of quantum coherence, many-body states, and entanglement. To scale up the performance of an atomic clock using a degenerate Fermi gas loaded…William R. Milner, Stefan Lannig, Mikhail Mamaev et al.·Feb 20, 2024SaveLearn
Observation of multiple time crystals in a driven-dissipative system with Rydberg gasTime crystals, as temporal analogs of space crystals, manifest as stable and periodic behavior that breaks time translation symmetry. In an open quantum system, many-body interaction subjected to…Yuechun Jiao, Weilun Jiang, Yu Zhang et al.·Feb 20, 2024SaveLearn
Using biocompatible materials as substrate coating for electric field enhancement in tip-enhanced Raman spectroscopyIn this article, tip-enhanced Raman spectroscopy (TERS) is investigated as a precise method for analysis of biological samples. Using Finite Difference Time Domain (FDTD) simulation, it has been…Fatemeh Sadat Khademi, Maryam Bahreini·Feb 20, 2024SaveLearn
Attosecond Delays in X-ray Molecular IonizationThe photoelectric effect is not truly instantaneous, but exhibits attosecond delays that can reveal complex molecular dynamics. Sub-femtosecond duration light pulses provide the requisite tools to…Taran Driver, Miles Mountney, Jun Wang et al.·Feb 20, 2024SaveLearn
Nuclear matter radii from molecular rotations using ultra-high-resolution spectroscopyThe rotational constant parametrizes the relative spacing between a molecule's rotational energy levels. It depends on the molecule's classical moments of inertia, which, in all studies, are…Michail Athanasakis-Kaklamanakis, Gerda Neyens·Feb 19, 2024SaveLearn
Development of a cylindrical mirror analyzer electron spectrometer and associated data acquisition system to study inner shell electron emission following ion-atom collisionIn this paper we report on the development and performance of a cylindrical mirror analyser electron spectrometer for ion atom collision experiments. A low cost data acquisition system using Arduino…Rohit Tyagi, A. H. Kelkar·Feb 19, 2024SaveLearn
Photoelectron Polarization Vortexes in Strong-Field IonizationThe spin polarization of photoelectrons induced by an intense linearly polarized laser field is investigated using numerical solutions of the time-dependent Schr\"odinger equation in companion with…Pei-Lun He, Zhao-Han Zhang, Karen Z. Hatsagortsyan et al.·Feb 19, 2024SaveLearn
Atom interferometer as a freely falling clock for time-dilation measurementsLight-pulse atom interferometers based on single-photon transitions are a promising tool for gravitational-wave detection in the mid-frequency band and the search for ultralight dark-matter fields.…Albert Roura·Feb 16, 2024SaveLearn
Discrete scaling in non-integer dimensionsWe explore the effect of a finite two-body energy in the discrete scale symmetry regime of two heavy bosonic impurities immersed in a light bosonic system. By means of the Born-Oppenheimer…Tobias frederico, Rafael Mendes Francisco, Dérick dos Santos Rosa et al.·Feb 16, 2024SaveLearn
Additively manufactured ceramics for compact quantum technologiesQuantum technologies are advancing from fundamental research in specialized laboratories to practical applications in the field, driving the demand for robust, scalable, and reproducible system…Marc Christ, Conrad Zimmermann, Sascha Neinert et al.·Feb 15, 2024SaveLearn
Dopant concentration effects on Si1-xGex crystals for emerging light-source technologies: A molecular dynamics studyIn this study, we conduct atomistic-level molecular dynamics simulations on fixed-sized silicon-germanium (Si1-xGex) crystals to elucidate the effects of dopant concentration and…Matthew D. Dickers, Gennady B. Sushko, Andrei V. Korol et al.·Feb 15, 2024SaveLearn
Direct laser cooling of Rydberg atoms with an isolated-core transitionWe propose a scheme to directly laser cool Rydberg atoms by laser cooling the residual ion core within the Rydberg-electron orbit. The scheme is detailed for alkaline-earth-metal Rydberg atoms, whose…Alisée Bouillon, Eduardo Marin-Bujedo, Matthieu Génévriez·Feb 15, 2024SaveLearn
Manipulating a beam of barium fluoride molecules using an electrostatic hexapoleAn electrostatic hexapole lens is used to manipulate the transverse properties of a beam of barium fluoride molecules from a cryogenic buffer gas source. The spatial distribution of the beam is…Anno Touwen, Joost W. F. van Hofslot, Thijs Qualm et al.·Feb 14, 2024SaveLearn