Phase evolution of strong-field ionizationWe investigate the time-dependent evolution of the dipole phase shift induced by strong-field ionization (SFI) using attosecond transient absorption spectroscopy (ATAS) for time-delays where the…Lynda R Hutcheson, Maximilian Hartmann, Gergana D Borisova et al.·Feb 26, 2025SaveLearn
Novel approach for non-invasive phase-sensitive 2D imaging of biological objects with photovoltaic trappingA novel non-invasive microscopy technique for imaging and sizing of folded DNA molecules with the use of photovoltaic tweezers and phase-sensitive detection is elaborated and realized. This novel…Lusine Tsarukyan, Anahit Badalyan, Rafael Drampyan·Feb 26, 2025SaveLearn
Excited-state magnetic properties of carbon-like Ca14+We measured the g-factor of the excited state 3P1 in Ca14+ ion to be g = 1.499032(6) with a relative uncertainty of 4×10-6. The magnetic field magnitude is…Lukas J. Spieß, Shuying Chen, Alexander Wilzewski et al.·Feb 26, 2025SaveLearn
Improved absolute frequency measurement of 171Yb at NMIJ with uncertainty below 2×10-16We report improved absolute frequency measurement of the 1S0-3P0 transition of 171Yb at National Metrology Institute of Japan (NMIJ) by comparing the 171Yb optical lattice…Takumi Kobayashi, Akiko Nishiyama, Kazumoto Hosaka et al.·Feb 26, 2025SaveLearn
A Mega-FPS low light cameraFrom biology and astronomy to quantum optics, there is a critical need for high frame rate, high quantum efficiency imaging. In practice, most cameras only satisfy one of these requirements. Here we…Bowen Li, Lukas Palm, Marius Jürgensen et al.·Feb 26, 2025SaveLearn
Empirical rovibrational energy levels for carbon disulfideAn analysis of the measured rovibrational transitions is carried out for the 12C32S2 isotopologue of carbon disulfide. Data from 21 sources is extracted and validated using a consistent set of…Tanvi Sattiraju, Jonathan Tennyson·Feb 25, 2025SaveLearn
Ion counting and temperature determination of Coulomb-crystallized laser-cooled ions in traps using convolutional neural networksCoulomb crystals -- ordered structures of cold ions confined in ion traps -- find applications in a variety of research fields. The number and temperature of the ions forming the Coulomb crystals are…Yanning Yin, Stefan Willitsch·Feb 25, 2025SaveLearn
Relativistic many-body calculations of multipole (E1, M1, E2, M2) transition properties in Al IIWe present systematic relativistic many-body calculations of multipole transition properties for singly charged aluminum ion (Al II) using a method that combines the configuration interaction and…Yuan-Fei Wei, Zhi-Ming Tang, Xue-Ren Huang et al.·Feb 24, 2025SaveLearn
Hyperfine and Zeeman Optical Pumping and Transverse Laser Cooling of a Thermal Atomic Beam of Dysprosium Using a Single 421 nm LaserWe demonstrate the effect of Zeeman and hyperfine optical pumping and transverse laser cooling of a dysprosium (Dy) atomic beam on the 4f106s2(J = 8) → 4f106s6p(J = 9) transition…Rohan Chakravarthy, Jonathan Agil, Arijit Sharma et al.·Feb 24, 2025SaveLearn
Stability conditions for bound states in antiprotonic atomsWe study the stability of bound antiprotons in close proximity to the atomic nucleus. Using experimental data from X-ray spectroscopy measurements of antiprotonic atom transitions, we tune a minimal…Fredrik Parnefjord Gustafsson, Daniel Pęcak, Tomasz Sowiński·Feb 24, 2025SaveLearn
Electron-ion collision spectroscopy at the CRYRING@ESR electron coolerElectron-ion collision spectroscopy at heavy-ion storage rings aims at precision measurements of resonance features that occur in the cross sections of electron collision processes such as…C. Brandau, S. Fuchs, V. Hannen et al.·Feb 24, 2025SaveLearn
Emergent spatial symmetry and inter-manifold avoided crossing of spin-1 lattice gas in the intermediate interaction regimeWe investigate the low-filling spin-1 lattice gas in the intermediate interaction regime, in which the atom-atom interaction allows the decomposition of the system into the coupled spin and charge…Xue-Ting Fang, Kun Yuan, Lushuai Cao et al.·Feb 24, 2025SaveLearn
Laser fluence-dependent production of molecular thorium ions in different charge states for trapped-ion experimentsThorium ions and molecules, recognized for their distinctive nuclear and atomic attributes, are central to numerous trapped-ion experiments globally. Our study introduces an effective, compact source…Jonas Stricker, Jean Velten, Valerii Andriushkov et al.·Feb 23, 2025SaveLearn
Time-resolved 3D momentum spectroscopy in continuous wave atomic photoionizationAn experimental continuous-wave (cw) pump-probe scheme is demonstrated by investigating the population and photoionization dynamics of an atomic system. Specifically, 6Li atoms are initially…Kevin L. Romans, Bishnu P. Acharya, A. H. Nishshanka. C. De Silva et al.·Feb 21, 2025SaveLearn
Projectile excitation to the 2s2p 3\!P and 1\!P autoionizing states in swift collisions of He-like carbon and oxygen mixed-state (1s2, 1s2s\,3,1S) ion beams with heliumThe production of the projectile 2s2p\,3\!P and 2s2p\,1\!P autoionizing states is investigated in 0.5-1.5 MeV/u collisions of He-like carbon and oxygen mixed-state three-component…A. Laoutaris, S. Passalidis, S. Nanos et al.·Feb 21, 2025SaveLearn
Miniaturized optical system for a chip based cold atom inertial sensorWe miniaturized the complex optical system responsible for the cooling, pumping and imaging of an on-chip based cold atom inertial sensor. This optical bench uses bonded miniature optics and includes…S. Hello, H. Snijders, B. Wirtschafter et al.·Feb 21, 2025SaveLearn
Vibrationally highly excited trilobite molecules stabilized by non-adiabatic couplingWe report on the observation of highly excited ( 100) vibrational states of a trilobite ultralong-range Rydberg molecule in 87Rb. These states manifest spectroscopically in a regularly…Rohan Srikumar, Markus Exner, Richard Blättner et al.·Feb 21, 2025SaveLearn
Testing strong-field QED to second-order in the highly correlated atomic system berylliumlike Pb78+ by electron-ion recombination spectroscopyA low-energy storage ring with an ultracold electron cooler has been coupled with a heavy-ion accelerator facilitating high-resolution electron-ion collision spectroscopy of the heaviest few-electron…S. Schippers, C. Brandau, S. Fuchs et al.·Feb 21, 2025SaveLearn
Taming Recoil Effect in Cavity-Assisted Quantum InterconnectsPhoton recoil is one of the fundamental limitations for high-fidelity control of trapped-atom qubits such as neutral atoms and trapped ions. In this work, we derive an analytical model for…Seigo Kikura, Ryotaro Inoue, Hayata Yamasaki et al.·Feb 20, 2025SaveLearn
Nonequilibrium Universality of Rydberg-Excitation Spreading on a Dynamic NetworkUnderstanding the universal properties of non-equilibrium phase transitions of spreading processes is a challenging problem. This applies in particular to irregular and dynamically varying networks.…Simon Ohler, Daniel Brady, Patrick Mischke et al.·Feb 20, 2025SaveLearn
Enhanced multichannel dual-comb spectroscopy of complex systemsA multichannel dual-comb spectroscopy (DCS) approach for high-resolution, broadband spectral measurements is presented, demonstrating its effectiveness in studying complex atomic systems. By…R. Aramyan, O. Tretiak, S. S. Sahoo et al.·Feb 19, 2025SaveLearn
Two-loop electron self-energy with accelerated partial-wave expansionCalculations of the two-loop electron self-energy for the n = 1 and n = 2 states of hydrogen-like ions are reported, performed to all orders in the nuclear binding strength parameter Zα…V. A. Yerokhin, Z. Harman, C. H. Keitel·Feb 19, 2025SaveLearn
Suppression of heading errors in Bell-Bloom optically pumped free-induction-decay alkali-metal atomic magnetometersHeading errors of atomic magnetometers refer to the dependence of measurement results on the sensor orientation with respect to the external magnetic field. There are three main sources of such…Siqi Liu, Xueke Wang, Xiangdong Zhang et al.·Feb 19, 2025SaveLearn
Terahertz molecular frequency references: theoretical analysis of optimal instabilityWe report a comprehensive theoretical analysis of the instability achievable by using phase modulation spectroscopy to lock a terahertz local oscillator to an absorptive reference consisting of the…W. F. McGrew, James Greenberg, Keisuke Nose et al.·Feb 18, 2025SaveLearn
Systematic Bayesian Optimization for Atomic Structure Calculations of Heavy ElementsThis study presents a novel optimisation technique for atomic structure calculations using the Flexible Atomic Code, focussing on complex multielectron systems relevant to r-process nucleosynthesis…Ricardo Ferreira da Silva, Andreas Flörs, Luís Leitão et al.·Feb 18, 2025SaveLearn