Experimental Investigation of the Hyperfine Structure of Tm I with Fourier Transform Spectroscopy, Part A: in the visible wavelength range 400 nm 700 nmThe spectra emitted by a thulium hollow-cathode discharge lamp with argon or neon as inert gases have been recorded with a Bruker IFS 125 HR Fourier Transform spectrometer in the visible wavelength…Seyma Parlatan, Ipek Kanat Ozturk, Gonul Basar et al.·Apr 5, 2022SaveLearn
Miniature biplanar coils for alkali-metal-vapor magnetometryAtomic spin sensors offer precision measurements using compact, microfabricated packages, placing them in a competitive position for both market and research applications. Performance of these…Michael C. D. Tayler, Kostas Mouloudakis, Rasmus Zetter et al.·Apr 4, 2022SaveLearn
Accurate determination of quadrupole polarizabilities of the excited states of alkali-metal atomsThe scalar and tensor components of the electric quadrupole (E2) polarizabilities of the first two excited states of all the alkali-metal atoms are determined. To validate the calculations, we have…Harpreet Kaur, Sukhjit Singh, Bindiya Arora et al.·Apr 4, 2022SaveLearn
Broadband Optical Two-Dimensional Coherent Spectroscopy of a Rubidium Atomic VaporOptical two-dimensional coherent spectroscopy (2DCS) has become a powerful tool for studying energy level structure, dynamics, and coupling in many systems including atomic ensembles. Various types…Jieli Yan, Stephen Revesz, Danfu Liang et al.·Apr 2, 2022SaveLearn
Classical Newtonian Monte-Carlo Calculation of Ionization of Atomic Hydrogen by Protons in Energy Range 0.05 to 1.0 MeVWe have designed a Euler approximation Monte-Carlo code for the calculation of the ionization of atomic hydrogen by protons with energies between 0.05 and 1.0 MeV. This code is used to calculate the…Seifeldin Dabbour, Skyler McMullen, F. Edward Cecil·Apr 1, 2022SaveLearn
Pauli blocking of stimulated emission in a degenerate Fermi gasThe Pauli exclusion principle in quantum mechanics has a profound influence on the structure of matter and on interactions between fermions. Almost 30 years ago it was predicted that the Pauli…Raphael Jannin, Yuri van der Werf, Kees Steinebach et al.·Apr 1, 2022SaveLearn
Relativistic frequency shifts in Cr, Ti, Fe, Ni, Ca, Na, and V to search for variation in the fine structure constantSensitivity of the frequencies of twenty two atomic transitions to the variation of the fine structure constant α is calculated. The findings are to be used in search for possible variation of…V. A. Dzuba, V. V. Flambaum, M. T. Murphy et al.·Mar 31, 2022SaveLearn
Laser-probing the rotational cooling of molecular ions by electron collisionsWe present state-selected measurements of rotational cooling and excitation rates of CH+ molecular ions by inelastic electron collisions. The experiments are carried out at the Cryogenic Storage…Ábel Kálosi, Manfred Grieser, Robert von Hahn et al.·Mar 31, 2022SaveLearn
Multielectron effect in the strong-field ionization of aligned nonpolar moleculesWe revisit strong-field ionization of aligned O2, CO2, and CS2 molecules in light of recent advances in the field of strong-field physics, in particular the inclusion of multielectron…M. Abu-samha, Lars Bojer Madsen·Mar 29, 2022SaveLearn
Measurement of the electric quadrupole amplitude in atomic thallium 6P1/2→6P3/2 transition using electromagnetically induced transparencyWe report a measurement of the transition amplitude ratio of an electric quadrupole (E2) to a magnetic dipole (M1) of the 6P1/2→6P3/2 transition in atomic thallium. We…Wei Ling Chen, Wei Min Hsu, Li Bang Wang et al.·Mar 29, 2022SaveLearn
Laser-induced electron Fresnel diffraction in the tunneling and over-barrier ionizationThe photoelectron momentum distribution in the strong-field ionization has a variety of structures that reveal the complicated dynamics of this process. Recently, we identified a low-energy…Lei Geng, Hao Liang, Liang-You Peng·Mar 27, 2022SaveLearn
Laser-induced electron Fresnel diffraction by XUV pulses at extreme intensityIonization of atoms and molecules in laser fields can lead to various interesting interference structures in the photoelectron spectrum. For the case of a super-intense extreme ultraviolet laser…Lei Geng, Hao Liang, K. Krajewska et al.·Mar 27, 2022SaveLearn
Symmetry breaking in sticky collisions between ultracold moleculesUltracold molecules undergo "sticky collisions" that result in loss even for chemically nonreactive molecules. Sticking times can be enhanced by orders of magnitude by interactions that lead to…Marijn P Man, Gerrit C Groenenboom, Tijs Karman·Mar 25, 2022SaveLearn
Spectroscopy of high pressure rubidium-noble gas mixturesSpectroscopy of alkali-buffer gas mixtures at high pressures from single-digit to several 100 bars in the regime of substantial collisional broadening is relevant in a wide range of fields, ranging…Till Ockenfels, Paško Roje, Thilo vom Hövel et al.·Mar 25, 2022SaveLearn
Scattering-asymmetry control with ultrafast electron wave packet shapingScattering of a tightly focused electron beam by an atom forms one of the bases of modern electron microscopy. A fundamental symmetry breaking occurs when the target atom is displaced from the beam…Yuya Morimoto, Peter Hommelhoff, Lars Bojer Madsen·Mar 25, 2022SaveLearn
Spin-state-controlled chemi-ionization reactions between metastable helium atoms and ground-state lithium atomsWe demonstrate the control of 4He(23S1)-7Li(22S1/2) chemi-ionization reactions by all-optical electron-spin-state preparation of both atomic species prior to the collision…Tobias Sixt, Frank Stienkemeier, Katrin Dulitz·Mar 24, 2022SaveLearn
A Simple Data-Driven Level Finding Method of Quantum Many-Body Systems based on Statistical Outlier DetectionWe report a simple and pure data-driven method to find new energy levels of quantum many-body systems only from observed line wavelengths. In our method, all the possible combinations are computed…Kazuaki Hongu, Keisuke Fujii·Mar 24, 2022SaveLearn
LASED: A Laser-Atom Interaction Simulator derived from Quantum ElectrodynamicsA laser-atom interaction simulator derived from quantum electrodynamics (LASED) is presented, which has been developed in the python programming language. LASED allows a user to calculate the time…Manish Patel, Matthew Harvey, Andrew James Murray·Mar 23, 2022SaveLearn
Fano-like resonance due to interference with distant transitionsNarrow optical resonances of atoms or molecules have immense significance in various precision measurements, such as testing fundamental physics and the generation of primary frequency standards. In…Y. -N. Lv, A. -W. Liu, Y. Tan et al.·Mar 23, 2022SaveLearn
Born-Oppenheimer potentials for , , and states of the hydrogen moleculeWe report on accurate variational calculations of the Born-Oppenheimer potential for excited states of the hydrogen molecule with , , and symmetries. The obtained potential energy…Michał Siłkowski, Krzysztof Pachucki·Mar 22, 2022SaveLearn
Preparation of ultra-cold atomic-ensemble arrays using time-multiplexed optical tweezersWe use optical tweezers based on time-multiplexed acousto-optic deflectors to trap ultra-cold cesium atoms in one-dimensional arrays of atomic ensembles. For temperatures between 2.5 μK and 50 nK…Katja Gosar, Vesna Pirc Jevšenak, Tadej Mežnaršič et al.·Mar 22, 2022SaveLearn
Wide range linear magnetometer based on a sub-microsized K vapor cell39K atoms have the smallest ground state (2S1/2) hyperfine splitting of all the most naturally abundent alkali isotopes and, consequently, the smallest characteristic magnetic field value…M. Auzinsh, A. Sargsyan, A. Tonoyan et al.·Mar 22, 2022SaveLearn
A portable atom gravimeter operating in noisy urban environmentsThe gravimeter based on atom interferometry has potentially wide applications on building the gravity networks, geophysics as well as gravity assisted navigation. Here, we demonstrate experimentally…Bin Chen, Jinbao Long, Hongtai Xie et al.·Mar 21, 2022SaveLearn
Low noise phase-locked laser system for atom interferometryA low noise laser system for atom interferometry is realized with phase-locked fiber lasers, where the performance of the OPLL is greatly enhanced by the FEOM feedback loop and the narrow linewidths.…Bo-Nan Jiang·Mar 21, 2022SaveLearn
Interaction potential for NaCs for ultracold scattering and spectroscopyWe obtain the interaction potential for NaCs by fitting to experiments on ultracold scattering and spectroscopy in optical tweezers. The central region of the potential has been accurately determined…Samuel G. H. Brookes, Jeremy M. Hutson·Mar 19, 2022SaveLearn