Sensitivity of Rydberg-atom receiver to frequency and amplitude modulation of microwavesElectromagnetically induced transparency (EIT) in atomic systems involving Rydberg states is known to be a sensitive probe of incident microwave (MW) fields, in particular those resonant with…Sebastian Borówka, Uliana Pylypenko, Mateusz Mazelanik et al.·Jun 23, 2022SaveLearn
Microscopic 3D printed optical tweezers for atomic quantum technologyTrapping of single ultracold atoms is an important tool for applications ranging from quantum computation and communication to sensing. However, most experimental setups, while very precise and…Pavel Ruchka, Sina Hammer, Marian Rockenhäuser et al.·Jun 22, 2022SaveLearn
Optically enhanced discharge excitation and trapping of 39ArWe report on a two-fold increase of the 39Ar loading rate in an atom trap by enhancing the generation of metastable atoms in a discharge source. Additional atoms in the metastable 1s5 level…Y. -Q. Chu, Z. -F. Wan, F. Ritterbusch et al.·Jun 22, 2022SaveLearn
Relativistic Normal Coupled-cluster Theory Analysis of Second- and Third-order Electric Polarizabilities of Zn IWe present precise values of electric polarizabilities for the ground state of Zn due to second-order dipole and quadrupole interactions, and due to third-order dipole-quadrupole interactions. These…A. Chakraborty, S. K. Rithvik, B. K. Sahoo·Jun 22, 2022SaveLearn
High-accuracy Rb2+ interaction potentials based on coupled cluster calculationsThis work discusses a protocol for constructing highly accurate potential energy curves (PECs) for the lowest two states of Rb2+, i.e. X\,2g+ and (1) 2u+, using…Jan Schnabel, Lan Cheng, Andreas Köhn·Jun 20, 2022SaveLearn
Compact 459 nm Cs cell optical frequency standard with 2.1×10-13/τ short-term stabilityWe achieve a compact optical frequency standard with an extended cavity diode laser locked to the 459 nm 6S1/2 - 7P1/2 transition of thermal 133Cs atoms in a φ 10 mm × 50…Jianxiang Miao, Tiantian Shi, Jia Zhang et al.·Jun 19, 2022SaveLearn
Sub-recoil clock-transition laser cooling enabling shallow optical lattice clocksLaser cooling is a key ingredient for quantum control of atomic systems in a variety of settings. In divalent atoms, two-stage Doppler cooling is typically used to bring atoms to the uK regime. Here,…X. Zhang, K. Beloy, Y. S. Hassan et al.·Jun 18, 2022SaveLearn
Second-order Doppler frequency shifts of trapped ions in a linear Paul trapThe accurate evaluation of the second-order Doppler frequency shift (SODFS) of trapped ions in a linear Paul trap has been studied with experiments and molecular dynamics (MD) simulations. The motion…S. N. Miao, J. W. Zhang, Y. Zheng et al.·Jun 16, 2022SaveLearn
Critically Evaluated Spectral Data for Singly Ionized Carbon (C II)All available experimental data on the spectrum of singly ionized carbon have been critically analyzed. Measurement uncertainties of all published studies have been re-assessed. The scope of…A. Kramida, K. Haris·Jun 16, 2022SaveLearn
Nuclear recoil correction to the hyperfine splitting in atomic systemsWe consider leading O(m/M) nuclear recoil corrections to the hyperfine splitting in light atomic systems. Due to the singularity of hyperfine interactions, the electromagnetic form factors of the…Krzysztof Pachucki·Jun 16, 2022SaveLearn
Experimental determination of the gadolinium L subshells fluorescence yields and Coster-Kronig transition probabilitiesThe L subshell Coster Kronig (CK) transition factors of Gd have been experimentally determined by means of two different experimental approaches and compared to available literature data. On the one…Yves Kayser, Philipp Hönicke, Malte Wansleben et al.·Jun 15, 2022SaveLearn
Buckling behavior of tenary one-dimensional van der Waals heterostructures1D van der Waals heterostructures (1D vdWH) were recently reported to be successfully synthesized. We perform molecular dynamics simulations to investigate the buckling behavior of a 1D vdWH composed…Jing Wan, Shu Lin·Jun 15, 2022SaveLearn
Optical deceleration of atomic hydrogenHigh-precision hydrogen spectroscopy is an active field which helps to determine the Rydberg constant and proton charge radius, tests bound-state QED, and can search for Beyond Standard Model (BSM)…S. F. Cooper, C. Rasor, R. G. Bullis et al.·Jun 14, 2022SaveLearn
Accurate measurement of the Sagnac effect for matter wavesA rotating interferometer with paths that enclose a physical area exhibits a phase shift proportional to this area and to the rotation rate of the frame. Understanding the origin of this so-called…Romain Gautier, Mohamed Guessoum, Leonid A. Sidorenkov et al.·Jun 14, 2022SaveLearn
Redefined vacuum approach and gauge-invariant subsets in two-photon-exchange diagrams for a closed-shell system with a valence electronThe two-photon-exchange diagrams for atoms with single valence electrons are investigated. Calculation formulas are derived for an arbitrary state within the rigorous bound-state QED framework…R. N. Soguel, A. V. Volotka, E. V. Tryapitsyna et al.·Jun 14, 2022SaveLearn
Highly sensitive measurement of a megahertz rf electric field with a Rydberg-atom sensorRydberg atoms have great potential in electric field measurement and have an advantage with a large frequency bandwidth from the kHz to the THz scale. However, the sensitivity for measuring a weak…Bang Liu, Li-Hua Zhang, Zong-Kai Liu et al.·Jun 14, 2022SaveLearn
Rydberg microwave frequency comb spectrometerDeveloping frequency combs spectral technologies has potential applications and prospects in the wide fields of cosmology, meteorology, and microwave measurement. Here, we demonstrate a Rydberg…Li-Hua Zhang, Zong-Kai Liu, Bang Liu et al.·Jun 14, 2022SaveLearn
Subleading contributions to N-boson systems inside the universal windowWe study bosonic systems in the regime in which the two-body system has a shallow bound state or, equivalently, a large value of the two-body scattering length. Using the effective field theory…Paolo Recchia, Alejandro Kievsky, Luca Girlanda et al.·Jun 13, 2022SaveLearn
QED approach to valence-hole excitation in closed shell systemsAn ab initio QED approach to treat a valence-hole excitation in closed shell systems is developed in the framework of the two-time-Green function method. The derivation considers a redefinition of…R. N. Soguel, A. V. Volotka, S. Fritzsche·Jun 13, 2022SaveLearn
Compact active vibration isolation and tilt stabilization for a portable high-precision atomic gravimeterIn high-precision atomic gravimeters, a rest mass is needed to provide a gravity reference, which is typically the retro-reflecting mirror of the Raman laser beams that addresses the two hyperfine…Fong En Oon, Rainer Dumke·Jun 13, 2022SaveLearn
Direct measurement of the 3He+ magnetic momentsHelium-3 has nowadays become one of the most important candidates for studies in fundamental physics [1, 2, 3], nuclear and atomic structure [4, 5], magnetometry and metrology [6] as well as…A. Schneider, B. Sikora, S. Dickopf et al.·Jun 13, 2022SaveLearn
Multi-state interferometric measurement of nonlinear AC Stark shiftWe demonstrate measurement of quadratic AC Stark shifts between Zeeman sublevels in an 87Rb Bose--Einstein condensate using a multi-state atomic interferometer. The interferometer can detect a…Junnosuke Takai, Kosuke Shibata, Naota Sekiguchi et al.·Jun 11, 2022SaveLearn
Practical limits for large-momentum-transfer clock atom interferometersAtom interferometry on optical clock transitions is being pursued for numerous long-baseline experiments both terrestrially and for future space missions. Crucial to meeting these experiments'…Mauro Chiarotti, Jonathan N. Tinsley, Satvika Bandarupally et al.·Jun 10, 2022SaveLearn
Relativistic Ritz approach to hydrogen-like atoms II: spectral analysis of hydrogen and deuteriumA long-distance effective theory of hydrogen-like atoms, dubbed the relativistic Ritz approach was recently introduced and some its theoretical consequences were explored. In this article, the…David M. Jacobs·Jun 9, 2022SaveLearn
Subcycle resolved strong-field tunneling ionization: Identification of magnetic dipole and electric quadrupole effectsInteraction of a strong laser pulse with matter transfers not only energy but also linear momentum of the photons. Recent experimental advances have made it possible to detect the small amount of…Xiaodan Mao, Hongcheng Ni, Xiaochun Gong et al.·Jun 9, 2022SaveLearn