Spin--spin interaction and magnetic Feshbach resonances in collisions of high-spin atoms with closed-shell atomsWe investigate interactions and ultracold collisions of high-spin but spherical atoms with closed-shell atoms, focussing on the example of Cr with Yb. Such a combination has only one potential energy…Matthew D. Frye, Piotr S. Żuchowski, Michał Tomza·Jan 27, 2024SaveLearn
Strong-Field Ionization Phenomena Revealed by Quantum TrajectoriesWe investigate the photoionization dynamics of atoms subjected to intense, ultrashort laser pulses through the use of quantum trajectories. This method provides a unique and consistent framework for…Taylor Moon, Klaus Bartschat, Nicolas Douguet·Jan 26, 2024SaveLearn
Precision Measurement of Vibrational Quanta in Tritium Hydride (HT)Saturated absorption measurements of transitions in the (2-0) band of radioactive tritium hydride (HT) are performed with the ultra-sensitive NICE-OHMS intracavity absorption technique in the range…F. M. J. Cozijn, M. L. Diouf, W. Ubachs et al.·Jan 26, 2024SaveLearn
The CIPM list "Recommended values of standard frequencies": 2021 updateThis paper gives a detailed account of the analysis underpinning the 2021 update to the list of standard reference frequency values recommended by the International Committee for Weights and Measures…H S Margolis, G Panfilo, G Petit et al.·Jan 25, 2024SaveLearn
A method of laser frequency stabilization based on the effect of linear dichroism in alkali metal vapors in a modulated transverse magnetic fieldWe present a method of laser frequency stabilization based on the linear dichroism signal in a transverse magnetic field. The method is similar to the DAVLL (Dichroic Atomic Vapor Laser Lock) method.…M. V. Petrenko, A. S. Pazgalev, A. K. Vershovskii·Jan 25, 2024SaveLearn
Constraining the spin-gravity coupling effects to the 10-10-level with dual-species atom interferometersSpin is one fundamental property of microscopic particles. A lot of theoretical work has postulated the possible coupling between spin and gravitation, which could result in the violation of…Dongfeng Gao, Lin Zhou, Jin Wang et al.·Jan 25, 2024SaveLearn
Monte-Carlo simulations of the capture and cooling of alkali-metal atoms by a supersonic helium jetWe present three-dimensional Monte-Carlo simulations of the capture of 1000 K 7Li or 500 K 87Rb atoms by a continuous supersonic 4He jet and show that intense alkali-metal beams form with…Jeremy Glick, William Huntington, Michael Borysow et al.·Jan 25, 2024SaveLearn
Site-selective preparation and multi-state readout of molecules in optical tweezersPolar molecules are a quantum resource with rich internal structure that can be coherently controlled. The structure, however, also makes the state preparation and measurement (SPAM) of molecules…Lewis R. B. Picard, Gabriel E. Patenotte, Annie J. Park et al.·Jan 24, 2024SaveLearn
Enhanced quantum control of individual ultracold molecules using optical tweezer arraysControl over the quantum states of individual molecules is crucial in the quest to harness their rich internal structure and dipolar interactions for applications in quantum science. In this paper,…Daniel K. Ruttley, Alexander Guttridge, Tom R. Hepworth et al.·Jan 24, 2024SaveLearn
One-dimensional model potentials optimized for the calculation of the HHG spectrumBased on the favourable properties of previously used one-dimensional (1D) atomic model potentials, we introduce a novel 1D atomic model potential for the 1D simulation of the quantum dynamics of a…Krisztina Sallai, Szabolcs Hack, Szilárd Majorosi et al.·Jan 24, 2024SaveLearn
Wave-graphene: a full-auxetic carbon semiconductor with high flexibility and optical UV absorptionThe abundant bonding possibilities of Carbon stimulate the design of numerous carbon allotropes, promising the foundation for exploring structure-functionality relationships. Herein, utilizing the…Linfeng Yu, Yi Zhang, Jianzhou Lin et al.·Jan 24, 2024SaveLearn
Direct spectroscopy of Rubidium using a narrow-line transition at 420 nmThe 5S6P transition in Rubidium (Rb) at 420 nm offers the advantage of a narrower linewidth and diverse applications in quantum technologies. However, the direct spectroscopy at this transition…Rajnandan Choudhury Das, Samir Khan, Thilagaraj R et al.·Jan 24, 2024SaveLearn
Microwave transitions in atomic sodium: Radiometry and polarimetry using the sodium layerWe calculate, via variational techniques, single- and two-photon Rydberg microwave transitions, as well as scalar and tensor polarizabilities of sodium atom using the parametric one-electron valence…Mariusz Pawlak, Eve L. Schoen, Justin E. Albert et al.·Jan 24, 2024SaveLearn
Dynamics of a two-level atom in the presence of a medium-assisted thermal fieldIn this paper the time evolution of a two-level atom in the presence of medium-assisted thermal field is explored through which, the formula of decay rate of an excited atom is generalized in two…Gonouiezadeh Razieh, Hassan Safari·Jan 23, 2024SaveLearn
An ion trap design for a space-deployable strontium-ion optical clockOptical atomic clocks demonstrate a better stability and lower systematic uncertainty than the highest performance microwave atomic clocks. However, the best performing optical clocks have a large…Alessio Spampinato, Jonathan Stacey, Sean Mulholland et al.·Jan 23, 2024SaveLearn
Threading an atom with lightWe propose a ponderomotive trapping mechanism for circular Rydberg atoms that consists in threading the Rydberg orbital with a tightly focused Gaussian laser beam. The trap exhibits remarkable…Rodrigo G. Cortiñas·Jan 23, 2024SaveLearn
In situ observation of non-polar to strongly polar atom-ion collision dynamicsThe onset of collision dynamics between an ion and a Rydberg atom is studied in a regime characterized by a multitude of collision channels. These channels arise from coupling between a non-polar…Moritz Berngruber, Daniel J. Bosworth, Oscar A. Herrera-Sancho et al.·Jan 22, 2024SaveLearn
A Single Photon Source based on a Long-Range Interacting Room Temperature VaporWe report on the current development of a single photon source based on a long-range interacting room temperature rubidium vapor. We discuss the history of the project, the production of vapor cells,…Felix Moumtsilis, Max Mäusezahl, Haim Nakav et al.·Jan 22, 2024SaveLearn
Laser cooling of a fermionic moleculeOnly bosonic molecular species have been directly laser cooled to date, primarily due to an abundance of bosonic isotopes in nature and to their simpler hyperfine structure. Fermionic molecules…Jinyu Dai, Qi Sun, Benjamin C. Riley et al.·Jan 22, 2024SaveLearn
A versatile apparatus for simultaneous trapping of multiple species of ultracold atoms and ions to enable studies of low energy collisions and cold chemistryWe describe an apparatus where many species of ultracold atoms can be simultaneously trapped and overlapped with many species of ions in a Paul trap. Several design innovations are made to increase…Bubai Rahaman, Satyabrata Baidya, Sourav Dutta·Jan 20, 2024SaveLearn
Lifetime Determination of the 5s5p 3Po0 Metastable State in 87Sr from the Electric Dipole Matrix ElementWe report a measurement of the radiative lifetime of the 5s5p \; 3Po0 metastable state in 87Sr, which is coupled to the 5s2 \; 1S0…Xiao-Tong Lu, Feng Guo, Yan-Yan Liu et al.·Jan 20, 2024SaveLearn
Photodissociation spectra of single trapped CaOH+ molecular ionsMolecular ions that are generated by chemical reactions with trapped atomic ions can serve as an accessible testbed for developing molecular quantum technologies. On the other hand, they are also a…Zhenlin Wu, Stefan Walser, Verena Podlesnic et al.·Jan 19, 2024SaveLearn
Long-Lived Circular Rydberg Qubits of Alkaline-Earth Atoms in Optical TweezersCoherence time and gate fidelities in Rydberg atom quantum simulators and computers are fundamentally limited by the Rydberg state lifetime. Circular Rydberg states are highly promising candidates to…Christian Hölzl, Aaron Götzelmann, Einius Pultinevicius et al.·Jan 19, 2024SaveLearn
Ultralong-range Cs-RbCs Rydberg molecules: non-adiabaticity of dipole momentsWe consider ultralong-range polyatomic Rydberg molecules formed by combining a Rydberg cesium atom and a ground-state RbCs molecule. We explore the regime where the charge-dipole interaction due to…David Mellado-Alcedo, Alexander Guttridge, Simon L. Cornish et al.·Jan 17, 2024SaveLearn
The Zero-Quantum-Defect Method and the Fundamental Vibrational Interval of H2+The fundamental vibrational interval of H2+ has been determined to be G 1/2 = 2191.126\,614(17) cm-1 by continuous-wave laser spectroscopy of Stark manifolds of Rydberg states…Ioana Doran, Nicolas Hölsch, Maximilian Beyer et al.·Jan 17, 2024SaveLearn