Relativistic EELS scattering cross-sections for microanalysis based on Dirac solutionsThe rich information of electron energy-loss spectroscopy (EELS) comes from the complex inelastic scattering process whereby fast electrons transfer energy and momentum to atoms, exciting bound…Zezhong Zhang, Ivan Lobato, Hamish Brown et al.·May 16, 2024SaveLearn
Laser cooling of barium monofluoride molecules using synthesized optical spectraWe demonstrate laser cooling of barium monofluoride (138BaF) molecules. We use serrodynes to synthesize time-sequenced optical spectra that can be precisely tailored to the hyperfine structure of…Marian Rockenhäuser, Felix Kogel, Tatsam Garg et al.·May 15, 2024SaveLearn
Multiconfiguration Dirac-Hartree-Fock and configuration-interaction study of 4d-3p x-ray transitions in Cu- and Ni-like tungsten ionsThe 4d 3p x-ray transitions in Cu- and Ni-like tungsten ions have been studied theoretically. The multiconfiguration Dirac-Hartree-Fock (MCDHF) method and the large-scale relativistic…Karol Kozioł, Jacek Rzadkiewicz·May 15, 2024SaveLearn
Complex-valued 3D atomic spectroscopy with Gaussian-assisted inline holographyWhen a laser-cooled atomic sample is optically excited, the envelope of coherent forward scattering can often be decomposed into a few complex Gaussian profiles. The convenience of Gaussian…Xing Huang, Yuzhuo Wang, Jian Zhao et al.·May 15, 2024SaveLearn
Bremsstrahlung of 5-25 keV electrons incident on MoSi2, TiB2 and ZrB2 thick solid conductive compoundsAbsolute measurements were conducted to study the bremsstrahlung emission from ~5-25 keV electrons incident on three thick solid conductive compounds of MoSi2, TiB2 and ZrB2. The additivity…Heng Zhang, Zhu An, Jingjun Zhu et al.·May 12, 2024SaveLearn
Dissociative recombination, and vibrational excitation of CO+: model calculations and comparison with experimentThe latest molecular data - potential energy curves and Rydberg/valence interactions - characterizing the super-excited electronic states of CO are reviewed, in order to provide inputs for the…J. Zs Mezei, R. D. Backodissa-Kiminou, D. E. Tudorache et al.·May 10, 2024SaveLearn
Measurement of cesium 8\,2PJ→ 6\,2PJ' electric quadrupole transition probabilities using fluorescence spectroscopyFluorescence spectra of the 8PJ → 6PJ' (J and J' = 3/2, 1/2) electric quadrupole transition of cesium atoms have been observed with a heated cesium vapor cell. We determined the…Jing Wang, Yuki Miyamoto, Hideaki Hara et al.·May 10, 2024SaveLearn
Principal Component Analysis for Spatial Phase Reconstruction in Atom InterferometryAtom interferometers are sensitive to a wide range of forces by encoding their signals in interference patterns of matter waves. To estimate the magnitude of these forces, the underlying phase shifts…Stefan Seckmeyer, Holger Ahlers, Jan-Niclas Kirsten-Siemß et al.·May 8, 2024SaveLearn
Transition frequencies, isotope shifts, and hyperfine structure in 4s → 4p transitions of Ti+ ionsWe have measured transition frequencies, isotope shifts and hyperfine structure splittings in the $3 d2( 3\!F) 4 s\, 4 FJ→ 3 d2( 3\! F) 4 p…Tim Ratajczyk, Kristian König, Philipp Bollinger et al.·May 8, 2024SaveLearn
High sensitivity measurement of ULF, VLF and LF fields with Rydberg-atom sensorFields with frequencies below megahertz are challenging for Rydberg-atom-based measurements, due to the low-frequency electric field screening effect that is caused by the alkali-metal atoms adsorbed…Mingwei Lei, Meng Shi·May 8, 2024SaveLearn
Measurement of gravitational acceleration in a single laser operated atomic fountainWe present measurements on Earth's gravitational acceleration (g) using an in-house developed cold atom gravimeter (CAG) in an atomic fountain geometry. In the setup, the laser cooled 87Rb atoms…Kavish Bhardwaj, S. Singh, S. P. Ram et al.·May 7, 2024SaveLearn
A warm Rydberg atom-based quadrature amplitude-modulated receiverRydberg atoms exhibit remarkable sensitivity to electromagnetic fields, making them promising candidates for revolutionizing field sensors. Unlike conventional antennas, they neither disturb the…Jan Nowosielski, Marcin Jastrzębski, Pavel Halavach et al.·May 5, 2024SaveLearn
Laser Resonance Chromatography of 229Th3+ in He: an ab initio investigationWe propose a laser resonance chromatography (LRC) experiment on 229Th3+, with the goal of detecting the ion's electronic ground 5f 2F5/2 state and metastable 7s 2S1/2…Giorgio Visentin, Anastasia Borschevsky, Larry A. Viehland et al.·May 3, 2024SaveLearn
Coherent XUV super continuum emission from atomic bound statesCoherent supercontinuum radiation in the extreme-ultraviolet (XUV) range is indispensable for synthesizing attosecond light pulses and for exploring transient atomic structures. Here, we report the…Jing Zhao, Xiaowei Wang, Li Wang et al.·May 3, 2024SaveLearn
On the computation of moments in the Super-Transition-Arrays model for radiative opacity calculationsIn the Super-Transition-Array statistical method for the computation of radiative opacity of hot dense matter, the moments of the absorption or emission features involve partition functions with…Jean-Christophe Pain, Brian Wilson·May 3, 2024SaveLearn
Polarization dependent non-Hermitian atomic grating controlled by dipole blockade effectWe propose a theoretical scheme for a non-Hermitian atomic grating within an ultra-cold rubidium-87 (87Rb) atomic ensemble. The grating's diffraction properties depend on the polarization states…Yi-Mou Liu, Lin Zhang·May 2, 2024SaveLearn
Handling the asymmetric spectral line profileThis paper discusses some features of the spectral line profile theory used in the treatment of measured atomic transitions. It is shown that going beyond the established linear approximation for the…D. Solovyev, A. Anikin, T. Zalialiutdinov·May 2, 2024SaveLearn
Elastic electron scattering from Be, Mg, and CaWe present a comprehensive set of theoretical results for differential, integrated, and momentum transfer cross sections for the elastic scattering of electrons by beryllium, magnesium and calcium,…Mehrdad Adibzadeh, Constantine E. Theodosiou, Nicholas Harmon·May 2, 2024SaveLearn
Stepwise ionization of Mo14+ ions in EBIT: The importance of the metastable levelThe visible spectrum of Mo15+ ions was measured using a high-temperature superconducting electron-beam ion trap at the Shanghai EBIT Laboratory, with an electron beam energy Ee=400 eV,…Cunqiang Wu, Xiaobin Ding, Qi Guo et al.·May 1, 2024SaveLearn
Dual-frequency optical-microwave atomic clocks based on cesium atoms133Cs, which is the only stable cesium (Cs) isotope, is one of the most investigated elements in atomic spectroscopy and was used to realize the atomic clock in 1955. Among all atomic clocks,…Tiantian Shi, Qiang Wei, Xiaomin Qin et al.·May 1, 2024SaveLearn
Magnetic trapping of an ultracold 39K-40K mixture with a versatile potassium laser systemWe present a dual isotope magneto-optical trap (MOT), simultaneous sub-Doppler laser cooling, and magnetic trapping of a spin-polarized 39K-40K Bose-Fermi mixture realized in a…Mateusz Bocheński, Jakub Dobosz, Mariusz Semczuk·Apr 30, 2024SaveLearn
Parity and time-reversal symmetry violation in diatomic molecules: LaO, LaS and LuOThe violation of parity (P) and time-reversal (T) symmetry is enhanced in the LaS, LaO and LuO molecules due to the existence of states of opposite parity with small energy differences and the…Yuly Chamorro, Victor Flambaum, Ronald F. Garcia Ruiz et al.·Apr 30, 2024SaveLearn
Metrology of microwave fields based on trap-loss spectroscopy with cold Rydberg atomsWe demonstrate a new approach for the metrology of microwave fields based on the trap-loss-spectroscopy of cold Rydberg atoms in a magneto-optical trap. Compared to state-of-the-art sensors using…Romain Duverger, Alexis Bonnin, Romain Granier et al.·Apr 26, 2024SaveLearn
Validating a lutetium frequency referenceWe review our progress in developing a frequency reference with singly ionized lutetium and give estimates of the levels of inaccuracy we expect to achieve in the near future with both the…Kyle J. Arnold, Scott Bustabad, Qin Qichen et al.·Apr 25, 2024SaveLearn
Natural-linewidth measurements of the 3C and 3D soft-x-ray transitions in Ni XIXWe used the monochromatic soft-x-ray beamline P04 at the synchrotron-radiation facility PETRA III to resonantly excite the strongest 2p-3d transitions in neon-like Ni XIX ions, $[2p6]J=0…Chintan Shah, Steffen Kühn, Sonja Bernitt et al.·Apr 22, 2024SaveLearn