Hydrogen Atom in Strong Elliptically Polarized Laser Fields within Discrete-Variable RepresentationThe nondirect product discrete variable representation (npDVR) is developed for the time-dependent Schr\"odinger equation with nonseparable angular variables and is applied to a hydrogen atom in…S. Shadmehri, V. S. Melezhik·Nov 12, 2021SaveLearn
Sensitivity improvement of Rydberg atom-based microwave sensing via electromagnetically induced transparencyA highly excited Rydberg atom via electromagnetically induced transparency with two color cascading lasers has extreme sensitivity to electric fields of microwave ranging from 100 MHz to over 1 THz.…M. H. Cai, Z. S. Xu, S. H. You et al.·Nov 12, 2021SaveLearn
Multichannel photoelectron phase lag across atomic barium autoionizing resonancesPhase lag associated with coherent control where an excited system decays into more than one product channel has been subjected to numerous investigations. Although previous theoretical studies have…Yimeng Wang, Chris H. Greene·Nov 12, 2021SaveLearn
Birefringent atomic vapor laser lock in a hollow cathode lampWe report a robust method of stabilizing a laser to the frequency of an atomic transition using a hollow cathode lamp. In contrast to the standard dichroic atomic vapor laser lock (DAVLL) method,…Takumi Sato, Yusuke Hayakawa, Naohiro Okamoto et al.·Nov 11, 2021SaveLearn
Two-tone Doppler cooling of radial two-dimensional crystals in a radiofrequency ion trapWe study the Doppler-cooling of radial two-dimensional (2D) Coulomb crystals of trapped barium ions in a radiofrequency trap. Ions in radial 2D crystals experience micromotion of an amplitude that…Alexander Kato, Apurva Goel, Raymond Lee et al.·Nov 10, 2021SaveLearn
Atom interferometry using σ+-σ- Raman transitions between F=1,mF=1 and F=2,mF=1We report on the experimental demonstration of a horizontal accelerometer based on atom interferometry using counterpropagative Raman transitions between the states F=1,mF=1 and F=2,mF=1…Jeanne Bernard, Yannick Bidel, Malo Cadoret et al.·Nov 10, 2021SaveLearn
Attosecond delays of high harmonic emissions from isotopes of molecular hydrogen measured by Gouy phase XUV interferometerHigh harmonic spectroscopy can access structural and dynamical information on molecular systems encoded in amplitude and phase of high harmonic generation (HHG) signals4. However, measurement of the…Mumta Hena Mustary, Liang Xu, Wanyang Wu et al.·Nov 10, 2021SaveLearn
Propagation time and nondipole contributions to intraband high-harmonic generationApplying the semiclassical model, we identify two connected effects in intraband high-harmonic generation (HHG): (1) propagation time from the point of emission at the source to the point of…Simon Vendelbo Bylling Jensen, Lars Bojer Madsen·Nov 9, 2021SaveLearn
Magic wavelengths of the Sr (5s2\;1\!S0--5s5p\;3\!P1) intercombination transition near the 5s5p\;3\!P1--5p2\;3\!P2 transitionPredicting magic wavelengths accurately requires precise knowledge of electric-dipole matrix elements of nearby atomic transitions. As a result, measurements of magic wavelengths allow us to test…Grady Kestler, Khang Ton, Dmytro Filin et al.·Nov 8, 2021SaveLearn
Multidimensional King-plot analysis for accurate extraction of Cd nuclear charge radii: a challenge for nuclear structure theoryHigh-accuracy determination of isotope shift factors, which plays a crucial role in accurate extraction of nuclear charge radius, is well-known to be challenging experimentally and theoretically.…J. Z. Han, C. Pan, K. Y. Zhang et al.·Nov 8, 2021SaveLearn
An optical elevator for precise delivery of cold atoms using an acousto-optical deflectorWe implement a simple method for fast and precise delivery of ultracold atoms to a microscopic device, i.e. a Fabry-Perot microcavity. By moving a single beam optical dipole trap in a direction…Francesco Ferri, Arthur La Rooij, Claire Lebouteiller et al.·Nov 7, 2021SaveLearn
Raman interferometry between autoionizing states to probe ultrafast wavepacket dynamics with high spectral resolutionPhotoelectron interferometry with femto- and atto-second light pulses is a powerful probe of the fast electron wavepacket dynamics, albeit it has practical limitations on the energy resolution. We…A. Plunkett, M. A. Alarcon, J. K. Wood et al.·Nov 7, 2021SaveLearn
Superradiant atomic recoil lasing with orbital angular momentum lightWe analyze the collective light scattering by cold atoms in free space of a pump laser beam possessing orbital angular momentum. We derive a set of coupled equations for the atomic motion in which…A. T. Gisbert, N. Piovella, G. R. M. Robb et al.·Nov 6, 2021SaveLearn
Rovibronic spectroscopy of PN from first principlesWe report an ab initio study on the rovibronic spectroscopy of the closed-shell diatomic molecule phosphorous mononitride, PN. The study considers the nine lowest electronic states,…Mikhail Semenov, Nayla El-Kork, Sergei N. Yurchenko et al.·Nov 6, 2021SaveLearn
Analysis of the timing of freely falling antihydrogenWe evaluate the accuracy to be expected for the measurement of free fall acceleration of antihydrogen in the GBAR experiment, accounting for the recoil transferred in the photodetachment process. We…Olivier Rousselle, Pierre Cladé, Saïda Guellati-Khélifa et al.·Nov 4, 2021SaveLearn
Sensitivity of the YbOH molecule to P,T-odd effects in the external electric fieldElectron electric dipole moment (eEDM) search using lasercoolable triatomics like YbOH is one of the most sensitive probes for physics beyond the Standard Model. The eEDM-induced energy shift is…Alexander Petrov, Anna Zakharova·Nov 4, 2021SaveLearn
Spatial imaging of a novel type of molecular ionsAtoms with a highly excited electron, called Rydberg atoms, can form unusual types of molecular bonds. The bond differs from the well known ionic and covalent bonds not only by its binding mechanism,…N. Zuber, V. S. V. Anasuri, M. Berngruber et al.·Nov 4, 2021SaveLearn
Testing for the Continuous Spectrum of X-Rays Predicted to Accompany the Photoejection of an Atomic Inner Shell ElectronEchoing classical physics, quantum electrodynamics predicts the release of a spectral continuum of electromagnetic radiation upon the sudden acceleration of charged particles in quantum matter.…Philip Jacobson, Andrija Rasovic, Arthur Campello et al.·Nov 3, 2021SaveLearn
Quench dynamics of two interacting atoms in a one-dimensional anharmonic trapA temporal response of two interacting particles to a quench of the coupling strength in one-dimensional harmonic and anharmonic traps is explored. The coupling strength is changed from repulsive to…I. S. Ishmukhamedov·Nov 3, 2021SaveLearn
A model for nuclear spin product-state distributions of ultracold chemical reactions in magnetic fieldsBased on a theoretical model where the nuclear spins remain unchanged during a collision, we provide an analytical and general expression for the nuclear spin state-to-state distribution of an…Goulven Quéméner, Ming-Guang Hu, Yu Liu et al.·Nov 2, 2021SaveLearn
Precision determination of isotope shifts in ytterbium and implications for new physicsWe report measurements of isotope shifts for the five spinless Yb isotopes on the 6s2\,1S0 → 5d6s\,1D2 transition using Doppler-free two-photon spectroscopy. We…N. L. Figueroa, J. C. Berengut, V. A. Dzuba et al.·Nov 2, 2021SaveLearn
Multiple photodetachment of silicon anions via K-shell excitation and ionizationExperimental cross sections for m-fold photodetachment (m=3-6) of silicon anions via K-shell excitation and ionization were measured in the photon-energy range of 1830-1900 eV using the…A. Perry-Sassmannshausen, T. Buhr, M. Martins et al.·Nov 2, 2021SaveLearn
A Coherent Light Shift on Alkaline-Earth Rydberg Atoms from Isolated Core Excitation without Auto-IonizationNew experimental quantum simulation platforms have recently been implemented with divalent atoms trapped in optical tweezer arrays with promising performance. The second valence electron also brings…Ky-Luc Pham, Thomas Gallagher, Pierre Pillet et al.·Nov 1, 2021SaveLearn
Triggering recollisions with XUV pulses: Imprint of recolliding periodic orbitsWe consider an electron in an atom driven by an infrared (IR) elliptically polarized laser field after its ionization by an ultrashort extreme ultraviolet (XUV) pulse. We find that, regardless of the…Jonathan Dubois, Angel Jorba·Nov 1, 2021SaveLearn
Rotating and spiralling spatial dissipative solitons of light and cold atomsClouds of cold neutral atoms driven by a coherent light beam in a ring cavity exhibit self-structured states transversely with respect to the beam axis due to optomechanical forces and the back…Giuseppe Baio, Thorsten Ackemann, Gian-Luca Oppo et al.·Oct 30, 2021SaveLearn