Three-Body Scattering Hypervolume of Particles with Unequal MassesWe analyze the collision of three particles with arbitrary mass ratio at zero collision energy, assuming arbitrary short-range potentials, and generalize the three-body scattering hypervolume D…Zipeng Wang, Shina Tan·Mar 25, 2021SaveLearn
Rydberg quantum computation with nuclear spins in two-electron neutral atomsAlkaline-earth-like~(AEL) atoms with two valence electrons and a nonzero nuclear spin can be excited to Rydberg state for quantum computing. Typical AEL ground states possess no hyperfine splitting,…Xiao-Feng Shi·Mar 25, 2021SaveLearn
Long-range additive and nonadditive potentials in a hybrid system: Ground state atom, excited state atom, and ionWe report a theoretical study on the long-range additive and nonadditive potentials for a three-body hybrid atom-atom-ion system composed of one ground S state Li atom, one excited P state Li…Pei-Gen Yan, Li-Yan Tang, Zong-Chao Yan et al.·Mar 25, 2021SaveLearn
Characterizing Sub-Cycle Electron Dynamics of Polar Molecules by Asymmetry in Photoelectron Momentum DistributionsStrong-field ionization of polar molecules contains rich dynamical processes such as tunneling, excitation, and Stark shift. These processes occur on a sub-cycle time scale and are difficult to…Jia-Yin Che, Chao Chen, Shang Wang et al.·Mar 25, 2021SaveLearn
Improving the Signal-to-Noise Ratio of Atomic Transition Peaks in LIBS Using Two-dimensional Correlation AnalysisIn this stu dy, two dimensional ( 2D correlation analysis wa s utilized for achieving a significant improvement in the signal to noise (S/N) ratio of laser induced breakdown spectroscopy (LIBS) data…Linga Murthy Narlagiri, S. Venugopal Rao·Mar 25, 2021SaveLearn
Characterization and suppression of background light shifts in an optical lattice clockExperiments involving optical traps often require careful control of the ac Stark shifts induced by strong confining light fields. By carefully balancing light shifts between two atomic states of…R. J. Fasano, Y. J. Chen, W. F. McGrew et al.·Mar 22, 2021SaveLearn
Measurement of the dynamic polarizability of Dy atoms near the 626-nm intercombination lineWe report on measurements of the anisotropic dynamical polarizability of Dy near the 626-nm intercombination line, employing modulation spectroscopy in a one-dimensional optical lattice. To eliminate…Marian Kreyer, Jeong Ho Han, Cornelis Ravensbergen et al.·Mar 22, 2021SaveLearn
Driven electronic bridge processes via defect states in 229Th-doped crystalsThe electronic defect states resulting from doping 229Th in CaF2 offer a unique opportunity to excite the nuclear isomeric state 229mTh at approximately 8 eV via electronic bridge…Brenden S. Nickerson, Martin Pimon, Pavlo V. Bilous et al.·Mar 19, 2021SaveLearn
Observation of mechanical Faraday effect in gas mediaWe report the experimental observation of the rotation of the polarization plane of light propagating in a gas of fast-spinning molecules (molecular super-rotors). In the observed effect, related to…Alexander A. Milner, Uri Steinitz, Ilya Sh. Averbukh et al.·Mar 16, 2021SaveLearn
A liquid nitrogen-cooled Ca+ optical clock with systematic uncertainty of 3*10-18Here we present a liquid nitrogen-cooled Ca+ optical clock with an overall systematic uncertainty of 3*10-18. In contrast with the room-temperature Ca+ optical clock that we have reported…Yao Huang, Baolin Zhang, Mengyan Zeng et al.·Mar 16, 2021SaveLearn
Benchmarking calculations with spectroscopic accuracy of level energies and wavelengths in W LVII - W LXII tungsten ionsAtomic properties of n=3 states of the W56+ - W61+ ions are systematically investigated through two state-of-the-art methods, namely, the second-order many-body perturbation theory, and…Chun Yu Zhang, Kai Wang, Ran Si et al.·Mar 16, 2021SaveLearn
Significance of high charge state of projectile ions inside the target and its role on electron capture leading to target ionization phenomenonThe K x-ray spectra of different targets (Cu, Zn, and Ge) induced by 3 to 5 MeV/u Si projectile ions have been measured to determine the K-shell ionization cross-section. A significant difference is…Soumya Chatterjee, Prashant Sharma, Montanary Claudia et al.·Mar 15, 2021SaveLearn
Nonlinear magnetoelectric effect in atomic vaporMagnetoelectric (ME) effect refers to the coupling between electric and magnetic fields in a medium resulting in electric polarization induced by magnetic fields and magnetization induced by electric…Sushree S. Sahoo, Soumya R. Mishra, G. Rajalakshmi et al.·Mar 15, 2021SaveLearn
Coherently delocalized states in dipole interacting Rydberg ensembles: the role of internal degeneraciesWe investigate the effect of degenerate atomic states on the exciton delocalization of dipole-dipole interacting Rydberg assemblies. Using a frozen gas and regular one-, two-, and three-dimensional…Ghassan Abumwis, Christopher W. Wächtler, Matthew T. Eiles et al.·Mar 14, 2021SaveLearn
Deceleration and trapping of SrF moleculesWe report on the electrostatic trapping of neutral SrF molecules. The molecules are captured from a cryogenic buffer-gas beam source into the moving traps of a 4.5 m long traveling-wave Stark…eEDM collaboration, P. Aggarwal, Y. Yin et al.·Mar 14, 2021SaveLearn
Relativistic coupled-cluster-theory analysis of the hyperfine interaction of Ra+ isotopesHyperfine-structure constants of odd Ra+ due to the interactions of nuclear magnetic dipole, electric quadrupole, and magnetic octupole moments with the electrons are investigated in the…Fei-Chen Li, Yong-Bo Tang, Hao-Xue Qiao et al.·Mar 14, 2021SaveLearn
Circular Dichroism in Atomic Resonance-Enhanced Few-Photon IonizationWe investigate few-photon ionization of lithium atoms prepared in the polarized 2p(m=\!+1) state when subjected to femtosecond light pulses with left- or right-handed circular polarization…A. H. N. C. De Silva, T. Moon, K. L. Romans et al.·Mar 12, 2021SaveLearn
Stand-off magnetometry with directional emission from sodium vaporsStand-off magnetometry allows measuring magnetic field at a distance, and can be employed in geophysical research, hazardous environment monitoring, and security applications. Stand-off magnetometry…Rui Zhang, Emmanuel Klinger, Felipe Pedreros Bustos et al.·Mar 12, 2021SaveLearn
Evaluation of accurate uncertainty of measurement in L subshell ionization cross-sectionTo have a better understanding of a physical process, a comparison of ex-perimental data with theoretical values is mandatory. The comparison ismeaningful if the uncertainty in the experiment is…Shashank Singh, Soumya Chatterjee, Debasis Mitra et al.·Mar 12, 2021SaveLearn
Magnetic Feshbach resonances in collisions of 23Na40K with 40KWe present measurements of more than 80 magnetic Feshbach resonances in collisions of ultracold 23Na40K with 40K. We assign quantum numbers to a group of low-field resonances and show…Xin-Yao Wang, Matthew D. Frye, Zhen Su et al.·Mar 12, 2021SaveLearn
Revealing and controlling nuclear dynamics following inner-shell photoionization of N2In this work, we apply the Monte Carlo wave packet method to study the ultrafast nuclear dynamics following inner-shell photoionization of N2 exposed to an ultrashort intense X-ray pulse. The photon…Qingli Jing, Hong Qian, Peng Xu·Mar 11, 2021SaveLearn
Advances in bremsstrahlung: a reviewRecent developments in bremsstrahlung from electrons colliding with atoms and nuclei at energies between 0.1 MeV and 500 MeV are reviewed. Considered are cross sections differential in the photon…D. H. Jakubassa-Amundsen·Mar 10, 2021SaveLearn
Laser Driven Fluorescence Emission in a Nitrogen Gas Jet at 100 MHz Repetition RateWe report the fluorescence emission which is driven by femtosecond laser pulses with a repetition rate of 100 MHz and a center wavelength of 1040 nm in a nitrogen gas jet. The experiment is performed…Jin Zhang, LinQiang Hua, ShaoGang Yu et al.·Mar 10, 2021SaveLearn
Manipulating and measuring single atoms in the Maltese cross geometryWe describe optical methods for trapping, cooling, and observing single 87Rb atoms in a four-lens "Maltese cross" geometry (MCG). The use of four high numerical-aperture lenses in the cardinal…Lorena C. Bianchet, Natalia Alves, Laura Zarraoa et al.·Mar 9, 2021SaveLearn
Coherence Protection of Electron Spin in Earth-field Range by All-optical Dynamic DecouplingIn recent years, unshielded atomic systems have been attracting researchers' attention, in which decoherence is one of the major problems, especially for high precision measurements. The nonlinear…Peiyu Yang, Guzhi Bao, L. Q. Chen et al.·Mar 9, 2021SaveLearn