Floquet engineering of spin-spin interactions in a hybrid atomic systemWe demonstrate dynamical control of the effective spin-spin interaction, dominated by Fermi-contact interaction, in a hybrid spin system via parametric modulation. We show that, in an…Daniel Gavilan-Martin, Grzegorz Łukasiewicz, Vincent Schäfer et al.·Apr 20, 2026SaveLearn
Coherent terahertz field tomographic imaging in warm Rydberg vaporsRydberg atom-based sensors have emerged as highly sensitive tools for terahertz (THz) metrology, yet most current imaging techniques discard crucial phase information. In this Letter, we present a…Jan Nowosielski, Marcin Jastrzębski, Wojciech Wasilewski et al.·Apr 20, 2026SaveLearn
Observation of intrastate and interstate facilitation between Rydberg S, P and D levelsWe report experimental results on Rydberg facilitation, whereby Rydberg levels can be excited off-resonantly in the presence of a nearby Rydberg atom because of Rydberg-Rydberg interactions, for…Bleuenn Bégoc, Sukhjit P. Singh, Giovanni Cichelli et al.·Apr 19, 2026SaveLearn
Optical Nanofiber Testbeds for Benchmarking Membrane-Waveguide Photonic Integrated Circuit Platforms toward On-Chip Quantum Inertial SensingRecent advances in cold atom interferometry with optical and magnetic atom guides have set the stage for quantum inertial sensors capable of operating in dynamic environments. In this work, we…Adrian Orozco, William Kindel, Nicholas Karl et al.·Apr 19, 2026SaveLearn
Bound-state Compton scattering of linearly polarized photonsWe present a theoretical study of Compton scattering of X- and γ-rays by a K-shell electron. Special attention is paid to the double-differential cross section and polarization of the…Jonas Sommerfeldt, Nick M. Mayer, Anna Maiorova et al.·Apr 16, 2026SaveLearn
Parity-mixing interference in laser-assisted photoionizationPhotoionization of atoms by high-order harmonics in the presence of a laser may lead to quantum interference from which information about the photoionization dynamics or the light fields can be…N. Ouahioune, D. Hoff, P. K. Maroju et al.·Apr 15, 2026SaveLearn
Energies and lifetimes of the 9p and 10p excited states in atomic franciumWe present the first measurement of 9p 2P1/2,3/2 and 10p 2P1/2,3/2 excited levels absolute wavenumbers and radiative lifetime in francium. We used the Collinear Resonance Ionization Spectroscopy…P. Lassègues, A. Ajayakumar, M. Athanasakis-Kaklamanakis et al.·Apr 14, 2026SaveLearn
Experimental Determination of the D1 Magic Wavelength for 40KNeutral-atom arrays offer a promising path for quantum simulation, yet the potential of fermionic 40K remains largely constrained by state-dependent light shifts that degrade cooling and…Guy Hay Kalifa, Dor Kopelevitch, Amir Stern et al.·Apr 14, 2026SaveLearn
Limits of Statistical Models of Ultracold Complex LifetimesThe puzzle of "sticky collisions," in which molecular collision complexes exhibit unexpectedly long lifetimes, remains an unresolved mystery. A central challenge to solving this mystery is that…Kevin B. Xu, John L. Bohn·Apr 13, 2026SaveLearn
Extraction of Effective Electromagnetic Material Properties for Rydberg Electrometer Vapor Cells from 10-300 MHzQuantum sensors often consist of packaging, such as dielectric-based vapor cells and metallic electrodes, that reduces and spatially alters the locally observed electromagnetic fields. These effects…D. Richardson, J. Dee, J. Yaeger et al.·Apr 13, 2026SaveLearn
Electric field dependent g factors of RaOCH3 moleculeThe sensitivity of experiments searching for the electron electric dipole moment (eEDM) using the symmetric top molecules can be greatly enhanced by laser cooling. A detailed understanding of the…Alexander Petrov·Apr 11, 2026SaveLearn
Characterization of rf field-induced a.c. Zeeman shift in multi-level highly charged ionsCharacterization of the trap rf induced a.c. Zeeman shift is essential for achieving high accuracy in optical ion clocks. In this work, we demonstrate the experimental characterization of this shift…Shuying Chen, Lukas J. Spieß, Alexander Wilzewski et al.·Apr 10, 2026SaveLearn
Association between projectile and target excitation in slow Arq+-CO2 collisionsWe investigate ionic fragmentation of CO2n+~(2 n 4) produced in collisions with Arq+~(4 q 16) projectiles at a collision velocity of ≈~0.3~a.u. For…Akash Srivastav, Sumit Srivastav, Vishnu P et al.·Apr 10, 2026SaveLearn
Sub-Doppler laser cooling and optical transport of cesium with static magnetic fieldsLaser cooling of alkali atoms typically requires time-varying magnetic fields, introducing unwanted coupling between atom preparation and coherent operations. Here we demonstrate sub-Doppler laser…Tobias Bothwell, Junxin Chen, Brian M. Fields et al.·Apr 10, 2026SaveLearn
Relativistic KRCI calculations of symmetry violating interaction constants for YbX (X: Cu, Ag and Au) moleculesThe present work reports the parity (P)-odd and time-reversal (T)-odd interaction constants for the ground electronic state, X2+1/2, of YbX, X: Cu, Ag and Au…Ankush Thakur, Renu Bala, H. S. Nataraj·Apr 9, 2026SaveLearn
Nuclear forward scattering of Bessel beams in 229Th:CaF2The coherent pulse propagation of a Bessel beam resonant to the 8.4 eV nuclear clock transition in 229Th-doped crystals is investigated theoretically. Due to the magnetic dipole character of the…Alexander Franz, Tobias Kirschbaum, Adriana Pálffy·Apr 9, 2026SaveLearn
Two-dimensional shelving spectroscopy of ultraviolet ground state transitions in dysprosiumThe open inner-shell electronic structure of lanthanides with large magnetic moments gives rise to a rich spectrum of transitions available for laser cooling, trapping, and coherent control. Despite…Kevin S. H. Ng, Paul Uerlings, Fiona Hellstern et al.·Apr 8, 2026SaveLearn
Strong-field ionization of atoms with bright squeezed vacuum lightStrong-field ionization is the cornerstone of attosecond physics, which has been extensively studied under coherent-state driving. Recently, the interface between attosecond physics and quantum…Haodong Liu, Xiaoxiao Long, Peizeng Li et al.·Apr 8, 2026SaveLearn
Defect-free arrays at the thousand-atom scale in a 4-K cryogenic environmentWe report on a cryogenic platform at 4 K incorporating high numerical aperture optics for the generation of large-scale tweezers arrays, and compatible with Rydberg-state manipulation. We achieve…Desiree Lim, Hadriel Mamann, Grégoire Pichard et al.·Apr 8, 2026SaveLearn
Continuous thermochemical sources of AlF moleculesThe AlF molecule, currently subject to laser cooling and trapping efforts, has the advantage that it can be efficiently produced in a thermochemical reaction between sublimated aluminum trifluoride…Pulkit Kukreja, Priyansh Agarwal, Maximilian Doppelbauer et al.·Apr 6, 2026SaveLearn
Elucidating Au-C Bonding via Laser Spectroscopy of Gold MonocarbideGold monocarbide (AuC) has been produced and characterized using laser spectroscopy, representing the first reported observation of AuC. We recorded the optical spectrum of gas-phase AuC between 400…Rory M. Weldon, Danielle M. Darling, Nicole M. Albright et al.·Apr 6, 2026SaveLearn
Spectral-Domain Coherent Control of Broadband Raman Coupling in Atom InterferometryThe performance of atom interferometers is commonly limited by the finite spectral acceptance of atomic beam splitters and mirrors, which restricts efficient coupling to atoms with large Doppler…Sheng-Zhe Wang, Wei-Chen Jia, Yue Xin et al.·Apr 4, 2026SaveLearn
Direct three body dynamics govern ion atom recombination and barrierless termolecular reactionsFor over a century, termolecular, or third order, chemical reactions have been explained by the Lindemann Hinshelwood mechanism, assuming sequential stabilization via bimolecular encounters. Here, we…Rian Koots, Marjan Mirahmadi, Jesús Pérez-Ríos·Apr 3, 2026SaveLearn
Optimization and vectorization of a Mz-type optically-pumped Rubidium magnetometerOptically pumped magnetometers (OPMs) have demonstrated significant potential in weak magnetic field detection due to their high sensitivity. In this study, we developed an Mz-type optically pumped…Zhengyu Su, Yang Li, Yongbiao Yang et al.·Apr 3, 2026SaveLearn
The Bell-Bloom-type optically-pumped FID Rubidium atomic magnetometer with a multi-passing probe beam and two counter-propagating pump beamsThe Bell-Bloom-type optically pumped atomic magnetometers are well suited for weak geomagnetic field detection. However, conventional single-beam pumping introduces an atomic spin polarization…Yongbiao Yang, Zhengyu Su, Yang Li et al.·Apr 3, 2026SaveLearn