Using the Th III Ion for a Nuclear Clock and Searches for New PhysicsThe 229Th nucleus possesses a unique low-frequency transition at 8.4 eV, which is being considered for the development of an extremely accurate nuclear clock. We investigate an electronic bridge…V. A. Dzuba, V. V. Flambaum·Dec 24, 2024SaveLearn
Multiphoton ionization distributions beyond the dipole approximation: Retardation versus recoil correctionsWe study nondipole effects in multiphoton ionization of a two-dimensional hydrogen-like atom by a flat-top laser pulse of varied intensity. For this purpose, we solve numerically a two-dimensional…J. Z. Kamiński, K. Krajewska·Dec 23, 2024SaveLearn
Applications of maximum likelihood estimations for analyzing photon counts in few atom experimentsWe present a method for determining the atom number distribution of few atoms in a tight optical tweezer from their fluorescence distributions. In the tight tweezer regime, the detection light causes…M. Weyland, L. Sanchez, P. Ruksasakchai et al.·Dec 23, 2024SaveLearn
Enhancing analogue Unruh effect via superradiance in a cylindrical cavityWe propose a scheme to detect the Unruh effect in a circularly rotated Unruh-DeWitt detector enclosed within a cylindrical cavity. This technique relies on the enhanced atomic spontaneous emission…Hong-Tao Zheng, Xiang-Fa Zhou, Guang-Can Guo et al.·Dec 23, 2024SaveLearn
Comagnetometry using mirror-symmetric ions in a crystalSearches for physics beyond the Standard Model using spin sensors are susceptible to spurious frequency shifts and noise due to magnetic fields. Therefore a comagnetometer -- an auxiliary sensor that…Bassam Nima, Mingyu Fan, Aleksandar Radak et al.·Dec 23, 2024SaveLearn
Spectroscopy of light atoms and bounds on physics beyond the standard modelNewly calculated bounds on the strength of the coupling of an electron to a proton or a neutron by a fifth force are presented. These results are derived from the high precision spectroscopic data…R M Potvliege·Dec 20, 2024SaveLearn
Non-stationary Aharonov-Bohm effectThe non-stationary Aharonov-Bohm effect (scattering of electron in the field of a narrow solenoid with alternating current) is considered. Using the eikonal approximation, the wave function of…A. I. Milstein, I. S. Terekhov·Dec 20, 2024SaveLearn
Progress on Optical Clock Technology for Operational TimescalesWhile optical clock technology has advanced rapidly in recent years, incorporating the technology into operational timescales has progressed more slowly. The highest accuracy frequency standards for…S. Peil, W. Tobias, J. Whalen et al.·Dec 19, 2024SaveLearn
Long-lived multilevel coherences and spin-1 dynamics encoded in the rotational states of ultracold moleculesRotational states of ultracold polar molecules possess long radiative lifetimes, microwave-domain coupling, and tunable dipolar interactions. The availability of numerous rotational states has…Tom R. Hepworth, Daniel K. Ruttley, Fritz von Gierke et al.·Dec 19, 2024SaveLearn
Electron polarization in the resonant inelastic scattering on hydrogen-like ionsWe investigate the polarization of the electron beam acquired during the inelastic resonant scattering on hydrogen-like ions initially being in the ground state. The formation and subsequent Auger…D. M. Vasileva, K. N. Lyashchenko, O. Yu. Andreev·Dec 19, 2024SaveLearn
Individual assembly of two-species Rydberg molecules using optical tweezersWe present a new approach to investigating Rydberg molecules by demonstrating the formation and characterization of individual Rb*Cs Rydberg molecules using optical tweezers. By employing…Alexander Guttridge, Tom R. Hepworth, Daniel K. Ruttley et al.·Dec 19, 2024SaveLearn
Unravelling the Structures in the van der Waals Interactions of Alkali Rydberg AtomsRydberg atoms are used in a wide range of applications due to their peculiar properties like strong dipolar and van der Waals interactions. The choice of Rydberg state has a huge impact on the…Karen Wadenpfuhl, C. Stuart Adams·Dec 19, 2024SaveLearn
Rydberg states and new resonant states of the imidogen molecule NH: pathways for nitrogen releaseNeutral resonant states of molecules play a very important role in the dissociation dynamics and other electronic processes that occur via intermediate capture into these states. With the goal of…Raju Ghosh, Binayak Samaddar Choudhuryt, Janos Zsolt Mezei et al.·Dec 19, 2024SaveLearn
Dual atom (87Rb-133Cs) grating magneto-optical trapThis paper proposes a dual-color grating chip design method for simultaneously capturing dual atomic clouds (87Rb and 133Cs). By simulating key parameters such as the grating period, etching depth,…Lei Xu, Muming Li, Zhilong Yu et al.·Dec 19, 2024SaveLearn
Fast determination of the tilt of Raman lasers using the tilt-scanned fringe for atom gravimetersThe sensitive axes of atom gravimeters are defined by the directions of the respective Raman lasers. Any tilt of the Raman lasers with respect to the vertical direction introduces errors in gravity…Xiaochun Duan, Wenxin Geng, Huaqing Luo et al.·Dec 19, 2024SaveLearn
Time-Reversal Symmetry-Protected Coherent Control of Ultracold Molecular CollisionsCoherent control of atomic and molecular scattering relies on the preparation of colliding particles in superpositions of internal states, establishing interfering pathways that can be used to tune…Adrien Devolder, Timur V. Tscherbul, Paul Brumer·Dec 19, 2024SaveLearn
On Compton ionization of a hydrogen atom by twisted photonsThe differential probability of the process of Compton ionization of a hydrogen atom by a cylindrical electromagnetic wave is calculated taking into account the finite size of the target, which…Igor Volobuev, Vadim Egorov·Dec 18, 2024SaveLearn
Cold source of atomic hydrogen for loading large magnetic trapsWe present a design and performance tests of an intense source of cold hydrogen atoms for loading large magnetic traps. Our source is based on a cryogenic dissociator of molecular hydrogen at 0.6 K…A. Semakin, J. Ahokas, O. Hanski et al.·Dec 18, 2024SaveLearn
Sub-Doppler cooling, state preparation, and optical trapping of a triel atomUltracold gases of atoms from Main Group III (Group 13) of the Periodic Table, also known as "triel elements," have great potential for a new generation of quantum matter experiments. The first…Putian Li, Xianquan Yu, Seth Hew Peng Chew et al.·Dec 18, 2024SaveLearn
Characterization of near-infrared to telecom frequency conversion in a rubidium-filled hollow-core photonic-crystal fiberWe investigate near-infrared to telecommunications frequency conversion via a diamond four-wave mixing scheme in rubidium vapor contained within a hollow-core photonic-crystal fiber. The strong…Jed A. Rowland, Chris Perrella, Rachel F. Offer et al.·Dec 18, 2024SaveLearn
Two-dimensional imaging of electromagnetic fields via light sheet fluorescence imaging with Rydberg atomsThe ability to image electromagnetic fields holds key scientific and industrial applications, including electromagnetic compatibility, diagnostics of high-frequency devices, and experimental…Noah Schlossberger, Tate McDonald, Kevin Su et al.·Dec 17, 2024SaveLearn
Laser-Induced Quenching of the Th-229 Nuclear Clock Isomer in Calcium FluorideThe 10-minute radiative lifetime of the first excited 229Th4+ nuclear state in ionic crystals provides narrow spectroscopic linewidths, enabling the realization of a solid-state nuclear…F. Schaden, T. Riebner, I. Morawetz et al.·Dec 16, 2024SaveLearn
Accelerated Bayesian optimization in deep cooling atomsLaser cooling, which cools atomic and molecular gases to near absolute zero, is the crucial initial step for nearly all atomic gas experiments. However, fast achievement of numerous sub-μK cold…Xiaoxiao Ma, Changwen Liang, Rong Sha et al.·Dec 16, 2024SaveLearn
Grating magneto-optical trap of cesium atoms with an additional retroreflected laser beamA magneto-optical trap of cesium atoms was generated by applying a circularly polarized cooling laser beam onto a reflective two-dimensional diffraction grating with an aperture and by…Akifumi Takamizawa, Ryohei Hokari, Sota Kagami et al.·Dec 16, 2024SaveLearn
A Rb-Cs dual-species magneto-optical trapWe describe a three-dimensional (3D) magneto-optical trap (MOT) capable of simultaneously capturing 85Rb and 133Cs atoms. Unlike conventional setups, our system utilizes two separate laser systems…Shi-Yao Shao, Qing Li, Li-Hua Zhang et al.·Dec 16, 2024SaveLearn