Radio-Frequency Pseudo-Null Induced by Light in an Ion TrapIn a linear radio-frequency (rf) ion trap, the rf null is the point of zero electric field in the dynamic trapping potential where the ion motion is approximately harmonic. When displaced from the rf…Daun Chung, Yonghwan Cha, Hosung Shon et al.·Apr 18, 2025SaveLearn
On the Extended Hilbert Space in the theory of the multielectron atomThe construction of the Extended Hilbert Space (EHS) is presented in the form of a direct sum of the spaces of vectors of finite and infinite norms as the main space in the mathematical formalism of…Alexey N. Hopersky, Alexey M. Nadolinsky, Rustam V. Koneev·Apr 17, 2025SaveLearn
High-Stability Single-Ion Clock with 5.5×10-19 Systematic UncertaintyWe report a single-ion optical atomic clock with fractional frequency uncertainty of 5.5×10-19 and fractional frequency stability of 3.5 ×10-16/τ/s, based on…Mason C. Marshall, Daniel A. Rodriguez Castillo, Willa J. Arthur-Dworschack et al.·Apr 17, 2025SaveLearn
On the photon energy conservation in stimulated emission. ExperimentQuantum electrodynamics predicts identity of incident and emitted photons in stimulated emission. This fundamental law is important to test experimentally. In this work stimulated emission in GaAs…Pavel L. Chapovsky·Apr 16, 2025SaveLearn
On summation of 3j-Wigner symbolsWithin the framework of the theory of irreducible tensor operators, using well-known general analytical results for double sums (Σjm) of products of two 3j-Wigner symbols, analytical…Alexey N. Hopersky, Alexey M. Nadolinsky, Rustam V. Koneev·Apr 15, 2025SaveLearn
Measurement of the g factor of ground-state 87Sr at the parts-per-million level using co-trapped ultracold atomsWe demonstrate nuclear magnetic resonance of optically trapped ground-state ultracold 87Sr atoms. Using a scheme in which a cloud of ultracold 87Rb is co-trapped nearby, we improve the determination…Premjith Thekkeppatt, Digvijay, Alexander Urech et al.·Apr 15, 2025SaveLearn
Periodic table for highly charged ionsMendeleev's periodic table successfully groups atomic elements according to their chemical and spectroscopic properties. However, it becomes less sufficient in describing the electronic properties of…Chunhai Lyu, Christoph H. Keitel, Zoltán Harman·Apr 15, 2025SaveLearn
Energy shifts in predissociating levels of diatomic molecules: The case of N2 (C''5 u) and N2(17 +u) interacting statesThis work presents a perturbative calculation methodology for evaluating the energy shifts and broadening of vibrational energy levels, caused by interactions between bound and unbound dissociative…Laiz R. Ventura, Ramon S. da Silva, Sergio R. Souza et al.·Apr 15, 2025SaveLearn
Direct three-body atom recombination: halogen atomsThe recombination of halogen atoms has been a research topic in chemical physics for over a century. All theoretical descriptions of atom recombination depend on a two-step assumption, where two…Rian Koots, Grace Ding, Jesús Pérez-Ríos·Apr 14, 2025SaveLearn
De-excitation of K-shell hollow atoms with 12 Z 20: transition rates and branching ratiosInvestigating K-shell hollow atom spectra enhances our understanding of femtosecond phenomena in atomic physics, chemistry, and biology. Synchrotron measurements of two-electron one-photon (TEOP)…Karol Kozioł, Jacek Rzadkiewicz·Apr 14, 2025SaveLearn
Simultaneous Multiphoton-Multiatom Processes in Atomic Gases and Their Application in Enhancing Ultraweak Atomic Absorption TransitionsWe investigate simultaneous multiphoton-multiatom (MPMA) processes in atomic gases subjected to laser fields. Our study reveals that the composite factor governing the transition rate of these…Yongle Yu·Apr 14, 2025SaveLearn
Subwavelength micromachined vapor-cell based Rydberg sensingIn recent years, micromachined vapor cells have been revolutionizing the field of chip-scale quantum sensors such as magnetometers and atomic clocks. In parallel, Rydberg atomic quantum sensing has…Avital Giat, Kfir Levi, Ori Nefesh et al.·Apr 13, 2025SaveLearn
Voltage and power-frequency electric field measurements with Rydberg-atom interferometryWe present a Rydberg-atom interferometry-based technique for voltage measurement between electrodes embedded in an atomic vapor cell, enabling the detection of weak voltages (<0.1V) and unambiguous…Yingying Han, Changfa He, Zhenxiong Weng et al.·Apr 13, 2025SaveLearn
Heatpipe-cooled in-vacuum electromagnet for quantum science experimentQuantum inertial sensors test general relativity, measure fundamental constants, and probe dark matter and dark energy in the laboratory with outstanding accuracy. Their precision relies heavily on…Kenneth Nakasone, Paola Luna, Andrei Zhukov et al.·Apr 11, 2025SaveLearn
On the dipole approximation in the theory of photoionization of the atomIn the nonrelativistic many-electron approximation of the theory of photoionization of the atom in the formalism of secondary quantization and the theory of irreducible tensor operators, analytical…Alexey N. Hopersky, Alexey M. Nadolinsky, Rustam V. Koneev et al.·Apr 11, 2025SaveLearn
Chiral Electron Momentum Distribution upon Strong-Field Ionization of AtomsWe present a scheme to synthesize a three-dimensional laser field that produces a chiral electron momentum distribution upon strong-field ionization of atoms. Our approach employs two orthogonally…A. Geyer, J. Stindl, I. Dwojak et al.·Apr 11, 2025SaveLearn
SI-Traceable Temperature Calibration Based on Optical Lattice ClocksWe present a SI-traceable temperature calibration apparatus utilizing optical lattice clocks for precision metrology. The system employs a dual-blackbody radiation shield chamber with independent…Jin Cao, Xiaotong Lu, Benquan Lu et al.·Apr 11, 2025SaveLearn
Molecular excited state in the interaction quench dynamics of two different atoms in a two-dimensional anisotropic trapWe explore the interaction quench dynamics of two atoms with different masses and subject to different trapping potentials. Notably, under such anisotropic conditions, the nonequilibrium dynamics can…I. S. Ishmukhamedov, A. S. Ishmukhamedov, Zh. E. Jalankuzov et al.·Apr 10, 2025SaveLearn
The Role of Buffer Gas in Shaping the D1 Line Spectrum of Potassium VapourIn this study, we investigate the effect of buffer gas and magnetic field on the spectral line shapes of the potassium D1 transition using sealed vapour cells filled with varying amounts of neon as a…Sharaa A. Alqarni, Danielle Pizzey, Steven A Wrathmall et al.·Apr 10, 2025SaveLearn
Noise Resilience in a High-Bandwidth Atom InterferometerThe utility of inertial sensors depends on resilience against real-world dynamics and noise. Atom interferometry offers a sensing technology with the advantage of good long-term stability, high…Jonathan M. Kwolek, Sunil Upadhyay, Adam T. Black·Apr 9, 2025SaveLearn
Probing dipolar interactions between Rydberg atoms and ultracold polar moleculesWe probe resonant dipolar interactions between ultracold 40K87Rb molecules and Rydberg 87Rb atoms in an optically trapped ensemble. Through state-selective ionization detection of the…Lingbang Zhu, Jeshurun Luke, Roy Shaham et al.·Apr 9, 2025SaveLearn
Role of mechanical effects on the excitation spectra of microwave-dressed Rydberg states in a cold atomic cloudWe explore the excitation spectra of cold 87Rb atoms to the 55D3/2 Rydberg state in the presence of microwave (MW) radiation as a function of MW frequency. The spectra reveal several features around…H. Failache, J. A. Muniz, L. Velazco et al.·Apr 8, 2025SaveLearn
Simultaneous Multiphoton-Multiatom Processes in Atomic Gases under Laser FieldsWe investigate simultaneous multiphoton-multiatom processes in atomic gases exposed to laser fields under specific frequency conditions, where multiple atoms are simultaneously excited through the…Yongle Yu·Apr 8, 2025SaveLearn
UK APAP R-matrix electron-impact excitation cross-sections for modelling laboratory and astrophysical plasmaSystematic R-matrix calculations of electron-impact excitation for ions of astrophysical interest have been performed since 2007 for many iso-electronic sequences as part of the UK Atomic Process for…G. Del Zanna, G. Liang, J. Mao et al.·Apr 7, 2025SaveLearn
Below threshold nonsequential double ionization with linearly polarized two-color fields II: Quantum interferenceWe perform a systematic analysis of intra-channel quantum interference in laser-induced nonsequential double ionization with linearly polarized bichromatic fields, focusing on the…S. Hashim, D. Habibović, C. Figueira de Morisson Faria·Apr 7, 2025SaveLearn