Laser-actuated hermetic seals for integrated atomic devicesAtomic devices such as atomic clocks and optically-pumped magnetometers rely on the interrogation of atoms contained in a cell whose inner content has to meet high standards of purity and accuracy.…Vincent Maurice, Clément Carlé, Shervin Keshavarzi et al.·May 20, 2022SaveLearn
Symmetry-induced decoherence-free subspacesPreservation of coherence is a fundamental yet subtle phenomenon in open systems. We uncover its relation to symmetries respected by the system Hamiltonian and its coupling to the environment. We…Jonathan Dubois, Ulf Saalmann, Jan Michael Rost·May 20, 2022SaveLearn
Molecular rotation assisted non-sequential double ionizationA molecular rotation assisted non-sequential double ionization (MR-NSDI) mechanism is identified in the breakup of rotational H2 molecules in a few-cycle intense laser pulse using a semi-classical…Ahai Chen·May 20, 2022SaveLearn
Tellurium Spectrometer for 1S0-1P1 Transitions in Strontium and Other Alkaline-Earth AtomsWe measure the spectrum of tellurium-130 in the vicinity of the 461~nm 1S0-1P1 cycling transition in neutral strontium, a popular element for atomic clocks, quantum…T. G. Akin, Bryan Hemingway, Steven Peil·May 19, 2022SaveLearn
Confined H- ion within a density functional frameworkGround and excited states of a confined negative Hydrogen ion has been pursued under Kohn-Sham density functional approach by invoking a physically motivated work-function-based exchange potential.…Sangita Majumdar, Neetik Mukherjee, Amlan K. Roy·May 19, 2022SaveLearn
Preparation of 87Rb and 133Cs in the motional ground state of a single optical tweezerWe report simultaneous Raman sideband cooling of a single 87Rb atom and a single 133Cs atom held in separate optical tweezers at 814\,nm and 938\,nm, respectively. Starting from outside the…S. Spence, R. V. Brooks, D. K. Ruttley et al.·May 19, 2022SaveLearn
Two ultracold highly magnetic atoms in a one-dimensional harmonic trapWe theoretically investigate the properties of two interacting ultracold highly magnetic atoms trapped in a one-dimensional harmonic potential. The atoms interact via an anisotropic long-range…Michał Suchorowski, Anna Dawid, Michał Tomza·May 18, 2022SaveLearn
Carrier-envelope-phase and helicity control of electron vortices in photodetachmentFormation of electron vortices and momentum spirals in photodetachment of the H- anion driven by isolated ultrashort laser pulses of circular polarization or by pairs of such pulses (of either…M. M. Majczak, F. Cajiao Vélez, J. Z. Kamiński et al.·May 17, 2022SaveLearn
Light-shift-free and dead-zone-free atomic orientation based scalar magnetometry using a single amplitude-modulated beamDetection dead zones and heading errors induced by light shifts are two important problems in optically pumped scalar magnetometry. We introduce an atomic orientation based single-beam magnetometry…Qianqian Yu, Siqi Liu, Chunqi Yuan et al.·May 17, 2022SaveLearn
Machine-learning-accelerated Bose-Einstein condensationMachine learning is emerging as a technology that can enhance physics experiment execution and data analysis. Here, we apply machine learning to accelerate the production of a Bose-Einstein…Zachary Vendeiro, Joshua Ramette, Alyssa Rudelis et al.·May 17, 2022SaveLearn
Time Correlation Filtering Reveals Two-Path Electron Quantum Interference in Strong-Field IonizationAttosecond dynamics in strong-field tunnel ionization are encoded in intricate holographic patterns in the photoelectron momentum distributions (PMDs). These patterns show the interference between…Nicholas Werby, Andrew S. Maxwell, Ruaridh Forbes et al.·May 15, 2022SaveLearn
Atom Interferometry with Floquet Atom OpticsFloquet engineering offers a compelling approach for designing the time evolution of periodically driven systems. We implement a periodic atom-light coupling to realize Floquet atom optics on the…Thomas Wilkason, Megan Nantel, Jan Rudolph et al.·May 14, 2022SaveLearn
Fast optical transport of ultracold molecules over long distancesOptically trapped laser-cooled polar molecules hold promise for new science and technology in quantum information and quantum simulation. Large numerical aperture optical access and long trap…Yicheng Bao, Scarlett S. Yu, Loïc Anderegg et al.·May 12, 2022SaveLearn
Measurement of the 2S1/2,F=0 → 2P1/2,F=1 transition in MuoniumMuons are puzzling physicists since their discovery when they were first thought to be the meson predicted by Yukawa to mediate the strong force. The recent results at Fermilab on the muon g-2…G. Janka, B. Ohayon, I. Cortinovis et al.·May 12, 2022SaveLearn
Chirp asymmetry as an analogue of LeptogenesisThe effective conjugation symmetry that arises in the rotating wave frame is the analogue of the discrete symmetry in field theory. Breaking this effective conjugation symmetry leads to asymmetries…Matthew Commons, Nicole Abend, Ian M. Jones et al.·May 11, 2022SaveLearn
Motion-selective coherent population trapping by Raman sideband cooling along two paths in a configurationWe report our experiment on sideband cooling with two Raman transitions in a configuration that allows selective coherent population trapping (CPT) of the motional ground state. The cooling…Sooyoung Park, Meung Ho Seo, Ryun Ah Kim et al.·May 11, 2022SaveLearn
Level-crossing resonances on open atomic transitions in a buffered Cs vapor cell: Linewidth narrowing, high contrast and applications to atomic magnetometryThe ground-state Hanle effect (GSHE) in alkali-metal atomic vapors using a single circularly polarized wave underlies one of the most robust and simplest techniques in atomic magnetometry. This…D. V. Brazhnikov, V. I. Vishnyakov, A. N. Goncharov et al.·May 10, 2022SaveLearn
Robust single-sideband-modulated Raman light generation for atom interferometry by FBG-based optical rectangular filtrationLow-phase-noise and pure-spectrum Raman light is vital for high-precision atom interferometry by two-photon Raman transition. A preferred and prevalent solution for Raman light generation is…Guochao Wang, Yaning Wang, Kang Ying et al.·May 10, 2022SaveLearn
Three and four identical fermions near the unitary limitThis work analyzes the three and four equal-mass fermionic systems near and at the s- and p-wave unitary limits using hyperspherical methods. The unitary regime addressed here is where the…Michael D. Higgins, Chris H. Greene·May 9, 2022SaveLearn
Rydberg atom-enabled spectroscopy of polar molecules via F\"orster resonance energy transferNon-radiative energy transfer between a Rydberg atom and a polar molecule can be controlled by a DC electric field. Here we show how to exploit this control for state-resolved, non-destructive…Sabrina Patsch, Martin Zeppenfeld, Christiane P. Koch·May 9, 2022SaveLearn
Narrow-line cooling of 87Rb using 5S1/2 → 6P3/2 open transition at 420 nmMagneto-optical trap (MOT) at narrow (weak) transition offers lower temperature and hence is the key for production of high phase density atomic cloud and subsequently quantum degeneracy with high…Rajnandan Choudhury Das, Dangka Shylla, Arkapravo Bera et al.·May 9, 2022SaveLearn
Multi-photon above threshold ionization of multi-electron atoms and molecules using the R-matrix approachWe formulate a computationally efficient time-independent method based on the multi-electron molecular R-matrix formalism. This method is used to calculate transition matrix elements for the…Jakub Benda, Zdeněk Mašín·May 8, 2022SaveLearn
Analytical model for attosecond time delays and Fano's propensity rules in the continuumExtracting single photoionization time delays associated with atomic (or molecular) species from attosecond time scale two-photon experiments usually relies on the theoretical description of…D. I. R. Boll, L. Martini, O. A. Fojón·May 6, 2022SaveLearn
Comment on: "Hyperfine structure measurements of Co I and Co II with Fourier transform spectroscopy" by Fu et al. [JQSRT 2021, 107590]This comment points out errors in the analysis of 61 magnetic hyperfine structure (A) constants of Co II energy levels by Fu et al. [JQSRT 2021, 107590]. The paper was published without full…Milan Ding, Juliet C. Pickering·May 6, 2022SaveLearn
Controlling quantum effects in enhanced strong-field ionisation with machine-learning techniquesWe study non-classical pathways and quantum interference in enhanced ionisation of diatomic molecules in strong laser fields using machine learning techniques. Quantum interference provides a bridge,…Heloise Chomet, Samuel Plesnik, Constantin Nicolae et al.·May 6, 2022SaveLearn