Additive Manufacturing of functionalised atomic vapour cells for next-generation quantum technologiesAtomic vapour cells are an indispensable tool for quantum technologies (QT), but potential improvements are limited by the capacities of conventional manufacturing methods. Using an additive…Feiran Wang, Nathan Cooper, Yinfeng He et al.·Jun 21, 2024SaveLearn
Observation of Time Crystal in a Spin Maser SystemPair interaction potentials between atoms in a crystal are in general non-monotonic in distance, with a local minimum whose position gives the lattice constant of the crystal. A temporal analogue of…Weiyu Wang, Mingjun Feng, Qianjin Ma et al.·Jun 21, 2024SaveLearn
Symmetries in 3D photoelectron momentum spectroscopy as precursory methods for dichroic and enantiosensitive measurements3D photoelectron angular distributions (PADs) are measured from an atomic target ionized by ultrafast, elliptical fields of opposite handedness. Comparing these PADs to one another and to numeric…Michael Davino, Edward McManus, Tobias Saule et al.·Jun 20, 2024SaveLearn
Achieving Cooling Without Repump Lasers Through Ion Motional HeatingLaser cooling typically requires one or more repump lasers to clear dark states and enable recycling transitions. Here, we have achieved cooling of Be+ ions using a single laser beam, facilitated by…Yue Xiao, Yongxu Peng, Linfeng Chen et al.·Jun 20, 2024SaveLearn
Observation of full contrast icosahedral Bose-Einstein statistics in laser desorbed, buffer gas cooled C60The quantum mechanical nature of spherical top molecules is particularly evident at low angular momentum quantum number J. Using infrared spectroscopy on the 8.4μm rovibrational band of buffer…Ya-Chu Chan, Lee R. Liu, Andrew Scheck et al.·Jun 20, 2024SaveLearn
Clock-line-mediated Sisyphus CoolingWe demonstrate sub-recoil Sisyphus cooling using the long-lived 3P0 clock state in alkaline-earth-like ytterbium. A 1388 nm optical standing wave nearly resonant with the…Chun-Chia Chen, Jacob L. Siegel, Benjamin D. Hunt et al.·Jun 19, 2024SaveLearn
Simulation of sympathetic cooling efficiency in a linear Paul trap driven by alternative waveformsCooling of ions or other charged particles in electromagnetic traps is an essential tool to achieve control over their degrees of freedom on the quantum level. For many objects, there is no viable…Oskar Sund, Andreas W. Schell·Jun 19, 2024SaveLearn
Exploring atom-ion Feshbach resonances below the s-wave limitRevealing the quantum properties of matter requires a high degree of experimental control accompanied by a profound theoretical understanding. At ultracold temperatures, quantities that appear…Fabian Thielemann, Joachim Siemund, Daniel von Schoenfeld et al.·Jun 19, 2024SaveLearn
Genetics-based deperturbation analysis for the spin-orbit coupled A1+ and b30+ states of LiRbWe present a deperturbation analysis of the spin-orbit coupled A1+ and b30+ states of LiRb based on the rovibrational energy levels observed previously by photoassociation…Yide Yin, Xuhui Bai, Xuechun Li et al.·Jun 19, 2024SaveLearn
Relativistic coupled-cluster calculations for the molecular properties of AlX+ (X: F, Cl, Br, I, At and Ts) ionsIn this article, the molecular permanent electric dipole moments and components of static dipole polarizabilities for the electronic ground state of singly charged aluminum monohalides are reported.…Ankush Thakur, Renu Bala, H. S. Nataraj et al.·Jun 17, 2024SaveLearn
Coherent amplitude modulation of continuous-wave light in cesium vaporWe report on observations of coherent, sustained oscillations in the absorption of continuous-wave light at 388 nm that excites the 6S1/2→ 8P3/2 transition in cesium vapor. The…X. Zhang, J. B. Kim, D. Antypas·Jun 15, 2024SaveLearn
An optical atomic clock using 4DJ states of rubidiumWe analyze an optical atomic clock using two-photon 5S1/2 → 4DJ transitions in rubidium. Four one- and two-color excitation schemes to probe the fine-structure states 4D3/2 and…Alisher Duspayev, Carlos Owens, Bineet Dash et al.·Jun 13, 2024SaveLearn
Single-photon and multi-photon Fano lines for helium and neon using tRecX-haCCSingle-photon and multi-photon ionization of helium and neon atoms by ultrashort extreme ultraviolet radiation is studied. The wavelength of radiation is chosen to excite a set of doubly excited…Hareesh Chundayil, Armin Scrinzi, Vinay Pramod Majety·Jun 13, 2024SaveLearn
Overtone Transition 21 of HCO+ and HOC+: Origin, Radiative Lifetime, Collisional QuenchingWe present spectra of the first overtone vibration transition of C-H/O-H stretch (21) in HCO+ and HOC+, recorded using a laser induced reaction action…Miguel Jiménez-Redondo, Liliia Uvarova, Petr Dohnal et al.·Jun 13, 2024SaveLearn
Electronic processes in collisions between nitrogen ions and hydrogen atomsIn order to interpret and predict the behavior and properties of fusion plasma, accurate cross sections for electronic processes in collisions between plasma impurities and atomic hydrogen are…C. C. Jia, Y. Y. Qi, J. J. Niu et al.·Jun 13, 2024SaveLearn
Elucidating the roles of collision energy and photon momentum transfer in the formation of ultralong-range Rydberg moleculesSpectroscopic measurements of the rotational distribution of 84Sr and 86Sr 5sns 1S0 ultralong-range Rydberg molecular dimers created via photoassociation in a cold gas are reported. The…C. Wang, Y. Lu, S. K. Kanungo et al.·Jun 12, 2024SaveLearn
Vibrational Branching Ratios for Laser-Cooling of Nonlinear Strontium-Containing MoleculesThe vibrational branching ratios from the lowest excited electronic state for SrOCH3, SrNH2, and SrSH are measured at the < 0.1\% level. Spectra are obtained by…Alexander Frenett, Zack Lasner, Lan Cheng et al.·Jun 12, 2024SaveLearn
Collinear Three-Photon Excitation of a Strongly Forbidden Optical Clock TransitionThe 1S0\!-\!3P0 clock transition in strontium serves as the foundation for the world's best atomic clocks and for gravitational wave detector concepts in clock atom…Samuel P. Carman, Jan Rudolph, Benjamin E. Garber et al.·Jun 12, 2024SaveLearn
An Atomic Beam of Titanium for Ultracold Atom ExperimentsWe generate an atomic beam of titanium (Ti) using a "Ti-ball" Ti-sublimation pump, which is a common getter pump used in ultrahigh vacuum (UHV) systems. We show that the sublimated atomic beam can be…Jackson Schrott, Diego Novoa, Scott Eustice et al.·Jun 12, 2024SaveLearn
Isotope shift measurement of the 423-nm transition in neutral CaWe report on saturated absorption spectroscopy measurements of the (4s2) 1S0→(4s4p) 1P1 transition for the four most abundant even-mass isotopes in calcium. By referencing the…David Röser, Lukas Möller, Hans Keßler et al.·Jun 10, 2024SaveLearn
Vacuum polarization and Wichmann-Kroll correction in the finite basis set approximationThe finite basis set method is commonly used to calculate atomic spectra, including QED contributions such as bound-electron self-energy. Still, it remains problematic and underexplored for…V. K. Ivanov, S. S. Baturin, D. A. Glazov et al.·Jun 10, 2024SaveLearn
Vapor cell Rydberg atom electrometry with time-separated fieldsRydberg atoms have large transition electric dipole moments and high sensitivity to electric fields. We describe a new method for microwave field sensing in a vapor cell consisting of separate…Michael V. Romalis, Joe Wiedemann, Shaobo Zhang et al.·Jun 7, 2024SaveLearn
Bose-Einstein-condensate source on an optical-grating-based atom chip for quantum sensor applicationsWe report the preparation of Bose-Einstein condensates (BECs) by integrating laser cooling with a grating magneto-optical trap (GMOT) and forced evaporation in a magnetic trap on a single chip. This…R. Calviac, A. Rouxel, S. Charlot et al.·Jun 7, 2024SaveLearn
Relativistic VQE calculations of molecular electric dipole moments on trapped ion quantum hardwareThe quantum-classical hybrid variational quantum eigensolver (VQE) algorithm is among the most actively studied topics in atomic and molecular calculations on quantum computers, yet few studies…Palak Chawla, Shweta, K. R. Swain et al.·Jun 7, 2024SaveLearn
Identification of highly-forbidden optical transitions in highly charged ionsOptical clocks represent the most precise experimental devices, finding application in fields spanning from frequency metrology to fundamental physics. Recently, the first highly charged ions (HCI)…Shuying Chen, Lukas J. Spieß, Alexander Wilzewski et al.·Jun 6, 2024SaveLearn