Strong-Field-Assisted X-ray Second Harmonic GenerationWe theoretically demonstrate x-ray second harmonic generation (SHG) with strong-field-driven high harmonic generation (HHG) from core electrons in gas-phase atoms, highlighting its potential as a…Xinhua Xie·Nov 15, 2024SaveLearn
Resonant stroboscopic Rydberg dressing: electron-motion coupling and multi-body interactionsRydberg dressing traditionally refers to a technique where interactions between cold atoms are imprinted through the far off-resonant continuous-wave excitation of high-lying Rydberg states. Dipolar…Chris Nill, Sylvain de Léséleuc, Christian Groß et al.·Nov 15, 2024SaveLearn
Measurement and feed-forward correction of the fast phase noise of lasersLasers are the workhorse of quantum engineering in the atomic-molecular-optic community. However, phase noise of the laser, which can be especially large in popular semiconductor-based lasers, can…Tom Denecker, Yukii Torii Chew, Oscar Guillemant et al.·Nov 15, 2024SaveLearn
Post-selection shifts the transition frequency of helium in an atomic beamPost-selecting output states in measurements can effectively amplify weak signals and improve precision. However, post-selection effects may also introduce unintended biases in precision…Jin-Lu Wen, Jia-Dong Tang, Ya-Nan Lv et al.·Nov 15, 2024SaveLearn
The hyperfine anomaly in mercury and test of the Moskowitz-Lombardi ruleThe Moskowitz-Lombardi rule gives a simple relation between the magnetic moment of an atomic nucleus and the effect of its radial distribution on the hyperfine structure - the magnetic hyperfine…J. Vandeleur, G. Sanamyan, B. M. Roberts et al.·Nov 15, 2024SaveLearn
Role of the Coulomb Potential in Compton ScatteringWe report a fully differential study of ionization of the Ne L-shell by Compton scattering of 20 keV photons. We find two physical mechanisms which modify the Compton-electron emission. Firstly, we…N. Melzer, M. Kircher, A. Pier et al.·Nov 14, 2024SaveLearn
Vibrational excitation and dissociation of deuterium molecule by electron impactA theoretical investigation of electron-D2 resonant collisions - via the low lying and the Rydberg states of D2- - is presented for vibrational excitation, dissociative electron attachment and…V Laporta, R Agnello, G Fubiani et al.·Nov 14, 2024SaveLearn
Vibrational excitation cross sections for non-equilibrium nitric oxide-containing plasmaA full set of vibrationally-resolved cross sections for electron impact excitation of NO(X2, v) molecules is calculated from ab initio molecular dynamics, in the framework of the…V Laporta, L Vialetto, V Guerra·Nov 14, 2024SaveLearn
Coherent coupling of momentum states: selectivity and phase controlWe demonstrate the effect of pulse shaping in momentum selective atomic Bragg diffraction. We compare temporal square pulses, which produce sidelobes in momentum space, with other shapes which can…Charlie Leprince, Victor Gondret, Clothilde Lamirault et al.·Nov 14, 2024SaveLearn
Trapped-ion laser cooling in structured light fieldsLaser cooling is fundamental to quantum computation and metrology with trapped ions, and can occupy a majority of runtime in current systems. A key limitation to cooling arises from unwanted carrier…Zhenzhong Xing, Karan K. Mehta·Nov 13, 2024SaveLearn
Loading of the narrow line Tm MOT from a pulsed cold atomic beamWe report on building a pulsed source of cold Tm atoms and loading of the narrow-line magnito-optical trap (MOT) from the cold atomic beam. We achieve the loading rate of the first-stage MOT in the…M. Yaushev, D. Mishin, D. Tregubov et al.·Nov 13, 2024SaveLearn
Enhancement of Rydberg Blockade via Microwave DressingExperimental control over the strength and angular dependence of interactions between atoms is a key capability for advancing quantum technologies. Here, we use microwave dressing to manipulate and…Deniz Kurdak, Patrick R. Banner, Yaxin Li et al.·Nov 12, 2024SaveLearn
Positron Channeling in Quasi-Mosaic Bent Crystals: Atomistic Simulations vs. ExperimentThis paper reports on a comprehensive study of an ultra-relativistic positron beam deflection by an oriented quasi-mosaic crystal. The analysis was carried out for the positron energy of 530 MeV…Maykel Marquez-Mijares, German Rojas-Lorenzo, Paulo E. Ibanez-Almaguer et al.·Nov 11, 2024SaveLearn
Sub-Doppler cooling of a trapped ion in a phase-stable polarization gradientTrapped ions provide a highly controlled platform for quantum sensors, clocks, simulators, and computers, all of which depend on cooling ions close to their motional ground state. Existing methods…Ethan Clements, Felix W. Knollmann, Sabrina Corsetti et al.·Nov 9, 2024SaveLearn
Integrated-Photonics-Based Systems for Polarization-Gradient Cooling of Trapped IonsTrapped ions are a promising modality for quantum systems, with demonstrated utility as the basis for quantum processors and optical clocks. However, traditional trapped-ion systems are implemented…Sabrina M. Corsetti, Ashton Hattori, Ethan R. Clements et al.·Nov 9, 2024SaveLearn
Quadratic Zeeman and Electric Quadrupole Shifts in Highly Charged IonsRecent advances in high-precision spectroscopy of highly charged ions necessitate an understanding of energy shifts of ionic levels caused by external electric and magnetic fields. Beyond the…Jan Gilles, Stephan Fritzsche, Lukas J. Spieß et al.·Nov 8, 2024SaveLearn
Second-order hyperfine correction to H, D, and 3He energy levelsThe complete second-order hyperfine-interaction correction is calculated for centroid energy levels of H, D, and 3He atoms. For 3He, the corrections of -2.075~kHz and -0.305~kHz beyond the…Krzysztof Pachucki, Vojtěch Patkóš, Vladimir A. Yerokhin·Nov 8, 2024SaveLearn
Relativistic and electron-correlation effects in static dipole polarizabilities for group 12 elementsIn this study, we report a comprehensive calculation of static dipole polarizabilities for group 12 elements using the finite-field approach in conjunction with the relativistic coupled-cluster…YingXing Cheng·Nov 8, 2024SaveLearn
An atomic Fabry-Perot interferometer-based acceleration sensor for microgravity environmentsWe investigate the use of an atomic Fabry-Perot interferometer (FPI) with a pulsed non-interacting Bose-Einstein condensate (BEC) source as a space-based acceleration sensor. We derive an analytic…Manju Perumbil, Matthew J. Blacker, Stuart S. Szigeti et al.·Nov 8, 2024SaveLearn
Trapping of Single Atoms in Metasurface Optical Tweezer ArraysOptical tweezer arrays have emerged as a key experimental platform for quantum computation, quantum simulation, and quantum metrology, enabling unprecedented levels of control over single atoms and…Aaron Holman, Yuan Xu, Ximo Sun et al.·Nov 8, 2024SaveLearn
Superradiant active optical atomic clocks: motivations and current challengesCurrent state-of-the-art frequency standards are passive optical atomic clocks where the frequency of an optical resonator is stabilized to a narrow atomic transition. Passive clocks have achieved…Martina Matusko, Marion Delehaye·Nov 6, 2024SaveLearn
State-dependent control of the motional modes of trapped ions using an integrated optical latticeIn this work we study the interaction of trapped ions with a state-dependent, high-intensity optical lattice formed above an ion trap chip using integrated photonics. We use a single ion to map the…Alfredo Ricci Vasquez, Carmelo Mordini, Daniel Kienzler et al.·Nov 5, 2024SaveLearn
The Rotational and Spin-Rotational Level Structure of para-H2+ from High-Resolution MQDT-Assisted Rydberg-State SpectroscopyThe structure of the low-lying rotational levels of the X+ 2 g + (v+=0) vibronic ground state of para-H2+ has been determined by combining frequency-comb calibrated…I. Doran, M. Beyer, F. Merkt·Nov 5, 2024SaveLearn
Orientation-Dependent Enhanced Ionization in Acetylene Revealed by Ultrafast Cross-Polarized Pulse PairsWe investigate the orientation dependence of Enhanced Ionization (EI) during strong-field-driven nuclear motion in acetylene (C2H2). Here, we both initiate and probe molecular dynamics in…S. A. Mohideen, A. J. Howard, C. Cheng et al.·Nov 5, 2024SaveLearn
Strong parity-violation effects induced by large-amplitude motions: A quantum-dynamics study of substituted chiral methanolsAn enhanced mechanism is proposed for the large-amplitude-motion-induced parity-violating frequency by integrating the exact quantum dynamics method with the relativistic electronic structure theory.…Ayaki Sunaga·Nov 4, 2024SaveLearn