Angle-resolved time delays for shake-up ionization of heliumRecent angle-resolved RABBITT experiments have shown that the photoionization time delay depends on the emission angle of the photoelectron. In this work we demonstrate that for photoemission from…Stefan Donsa, Manuel Ederer, Renate Pazourek et al.·May 26, 2020SaveLearn
Robust inertial sensing with point-source atom interferometry for interferograms spanning a partial periodPoint source atom interferometry (PSI) uses the velocity distribution in a cold atom cloud to simultaneously measure one axis of acceleration and two axes of rotation from the phase, orientation, and…Yun-Jhih Chen, Azure Hansen, Moshe Shuker et al.·May 25, 2020SaveLearn
Magic trapping of a Rydberg ion with a diminished static polarizabilityHighly excited Rydberg states are usually extremely polarizable and exceedingly sensitive to electric fields. Because of this Rydberg ions confined in electric fields have state-dependent trapping…Fabian Pokorny, Chi Zhang, Gerard Higgins et al.·May 25, 2020SaveLearn
Transition strength measurements to guide magic wavelength selection in optically trapped moleculesOptical trapping of molecules with long coherence times is crucial for many protocols in quantum information and metrology. However, the factors that limit the lifetimes of the trapped molecules…K. H. Leung, I. Majewska, H. Bekker et al.·May 25, 2020SaveLearn
Attosecond electron-spin dynamics in Xe 4d photoionizationThe photoionization of xenon atoms in the 70-100 eV range reveals several fascinating physical phenomena such as a giant resonance induced by the dynamic rearrangement of the electron cloud after…Shiyang Zhong, Jimmy Vinbladh, David Busto et al.·May 25, 2020SaveLearn
Suppression of Coriolis error in weak equivalence principle test using [85]Rb-[87]Rb dual-species atom interferometerCoriolis effect is an important error source in the weak equivalence principle (WEP) test using atom interferometer. In this paper, the problem of Coriolis error in WEP test is studied theoretically…Wei-Tao Duan, Chuan He, Si-Tong Yan et al.·May 25, 2020SaveLearn
Optical mode conversion in coupled Fabry-Pérot resonatorsCoherent control of the spatial properties of light is central to a wide variety of applications from high bandwidth quantum and classical communication to high power fiber lasers. Low-loss…Mark Stone, Aziza Suleymanzade, Lavanya Taneja et al.·May 24, 2020SaveLearn
Atom-interferometric test of the equivalence principle at the 10-12 levelDoes gravity influence local measurements? We use a dual-species atom interferometer with 2\,s of free-fall time to measure the relative acceleration between 85Rb and 87Rb wave…Peter Asenbaum, Chris Overstreet, Minjeong Kim et al.·May 23, 2020SaveLearn
Atom interferometry with thousand-fold increase in dynamic rangeThe periodicity inherent to any interferometric signal entails a fundamental trade-off between sensitivity and dynamic range of interferometry-based sensors. Here we develop a methodology for…Dimitry Yankelev, Chen Avinadav, Nir Davidson et al.·May 22, 2020SaveLearn
Herriott-cavity-assisted all-optical atomic vector magnetometerWe report an all-optical atomic vector magnetometer using dual Bell-Bloom optical pumping beams in a Rb vapor cell. This vector magnetometer consists of two orthogonal optical pumping beams, with…Bo Cai, Chuanpeng Hao, Zheru Qiu et al.·May 22, 2020SaveLearn
Enhancement of the 81Kr and 85Kr count rates by optical pumpingWe report an increase of up to 60% on the count rates of the rare 81Kr and 85Kr isotopes in the Atom Trap Trace Analysis method by enhancing the production of metastable…Z. -Y. Zhang, F. Ritterbusch, W. -K. Hu et al.·May 22, 2020SaveLearn
Role of rotational coherence in femtosecond-pulse-driven nitrogen ion lasingWe experimentally investigated the rotationally resolved polarization characteristics of N2+ lasing at 391 and 428 nm using a pump-seed scheme. By varying the relative angle between the linear…Hongqiang Xie, Hongbin Lei, Guihua Li et al.·May 22, 2020SaveLearn
Control of concerted back-to-back double ionization dynamics in heliumDouble ionization (DI) is a fundamental process that despite its apparent simplicity provides rich opportunities for probing and controlling the electronic motion. Even for the simplest multielectron…Henrik R. Larsson, David J. Tannor·May 21, 2020SaveLearn
State-to-state control of ultracold molecular reactionsQuantum control of reactive systems has enabled microscopic probes of underlying interaction potentials, the opening of novel reaction pathways, and the alteration of reaction rates using quantum…Ming-Guang Hu, Yu Liu, Matthew A. Nichols et al.·May 21, 2020SaveLearn
A strontium optical lattice clock with 1 × 10-17 uncertainty and measurement of its absolute frequencyWe present a measurement of the absolute frequency of the 5s2 1S0 to 5s5p 3P0 transition in 87Sr, which is a secondary representation of the SI second. We describe the optical…Richard Hobson, William Bowden, Alissa Silva et al.·May 21, 2020SaveLearn
Loaded microwave cavity for compact vapor-cell clocksVapor-cell devices based on microwave interrogation provide a stable frequency reference with a compact and robust setup. Further miniaturization must focus on optimizing the physics package,…Michele Gozzelino, Salvatore Micalizio, Claudio E. Calosso et al.·May 20, 2020SaveLearn
A magneto-optical trap with millimeter ball lensesWe present a magneto-optical trap (MOT) design based on millimeter ball lenses, contained within a metal cube of 0.75 side length. We present evidence of trapping approximately…Cainan S. Nichols, Leo M. Nofs, Michael A. Viray et al.·May 20, 2020SaveLearn
Generalized local frame transformation theory for ultralong-range Rydberg moleculesA detailed theoretical framework for highly excited Rydberg molecules is developed based on the generalized local frame transformation. Our approach avoids the use of pseudopotentials and yields…P. Giannakeas, Matthew T. Eiles, F. Robicheaux et al.·May 19, 2020SaveLearn
Angular dependence of the Wigner time delay upon tunnel ionization of H2More than 100 years after its discovery and its explanation in the energy domain, the duration of the photoelectric effect is still heavily studied. The emission time of a photoelectron can be…Daniel Trabert, Simon Brennecke, Kilian Fehre et al.·May 19, 2020SaveLearn
Isolated core excitation of high orbital quantum number Rydberg states of ytterbiumWe study isolated core excitation of ultra cold ytterbium Rydberg atoms of high orbital quantum number. Measurements were performed on the 6s1/2 40l → 6p1/2 40l transition with…Henri Lehec, Xin Hua, Pierre Pillet et al.·May 19, 2020SaveLearn
Ultracold collisions of the lithium monoxide radicalUltracold collisions of LiO molecules in the 2Π3/2 ground state are considered, under the influence of either an external magnetic or electric field. Inelastic collisions are shown to be…Lucie D. Augustovičová, John L. Bohn·May 19, 2020SaveLearn
Life and death of a cold BaRb+ molecule inside an ultracold cloud of Rb atomsWe study the evolution of a single BaRb+ molecule while it continuously collides with ultracold Rb atoms. The initially weakly-bound molecule can undergo a sequence of elastic, inelastic,…Amir Mohammadi, Artjom Krükow, Amir Mahdian et al.·May 19, 2020SaveLearn
Interaction potentials and ultracold scattering cross sections for the 7Li+-7Li ion-atom systemWe calculate the isotope independent Li+-Li potential energy curves for the electronic ground and first excited states. Scattering phase shifts and total scattering cross section for the…A. Pandey, M. Niranjan, N. Joshi et al.·May 18, 2020SaveLearn
Revisiting Atomic Collisions Physics with highly charged ions, A tribute to Michel BaratMichel Barat passed away in November 2018 at the age of 80 after a rich career in atomic and molecular collisions. He had participated actively in formalizing to the electron promotion model,…Philippe Roncin·May 15, 2020SaveLearn
Long term measurement of the 87Sr clock frequency at the limit of primary Cs clocksWe report on a series of 42 measurements of the transition frequency of the 429~THz (5s2)~1S0--(5s5p)~3P0 line in 87Sr taken over three years from 2017 to 2019. They have been…R. Schwarz, S. Dörscher, A. Al-Masoudi et al.·May 15, 2020SaveLearn