Spectroscopic and Electric Properties of the TaO+ Molecule Ion for the Search of New Physics: A Platform for Identification and State ControlThe TaO+ cation is an attractive molecular species to search for parity- and time-reversal-violating interactions, in particular of hadronic origin. For the spectroscopic detection and preparation…Ayaki Sunaga, Timo Fleig·Mar 19, 2022SaveLearn
In-situ probing and stabilizing the power ratio of electro-optic-modulated laser pairs based on VIPA etalon for quantum sensingMonitoring and stabilizing the power ratio of laser pairs is significant to high-precision atom interferometers, especially as the compact electro-optic modulated all-fiber laser system prevails. In…Guochao Wang, Mingyue Yang, Enlong Wang et al.·Mar 18, 2022SaveLearn
On the energy dependence of the muon transfer rate from hydrogen to oxygenThe results of calculations of the muon transfer rate from the 1S state of muonic hydrogen to the nucleus of a free oxygen atom are presented in the interval of collision energies from 10(-4) to 10…S. V. Romanov·Mar 17, 2022SaveLearn
Inelastic processes in strontium-hydrogen collisions and their impact on non-LTE calculationsInelastic processes rate coefficients for low-energy Sr + H, Sr+ + H-, Sr+ + H and Sr2+ + H- collisions are calculated using multichannel quantum model approach. 31 scattering…Svetlana A. Yakovleva, Andrey K. Belyaev, Lyudmila I. Mashonkina·Mar 16, 2022SaveLearn
High-power, frequency-quadrupled UV laser source resonant with the 1S0-3P1 narrow intercombination transition of cadmium at 326.2 nmWe present a novel high-power, frequency-stabilized UV laser source at 326.2~nm, resonant with the Cd 1S0 - 3P1 narrow intercombination transition. We have achieved a maximum…S. Manzoor, J. N. Tinsley, S. Bandarupally et al.·Mar 16, 2022SaveLearn
QED theory of the nuclear magnetic shielding in H and 3HeThe derivation of leading quantum electrodynamic corrections to the nuclear magnetic shielding in light hydrogen- and helium-like atomic systems is described in detail. The presented theoretical…Dominik Wehrli, Mariusz Puchalski, Krzysztof Pachucki·Mar 16, 2022SaveLearn
The nuclear-spin-forbidden rovibrational transitions of water from first principlesThe water molecule occurs in two nuclear-spin isomers that differ by the value of the total nuclear spin of the hydrogen atoms, i.e., I=0 for para-H2O and I=1 for ortho-H2O. Spectroscopic…Andrey Yachmenev, Guang Yang, Emil Zak et al.·Mar 15, 2022SaveLearn
Perspectives on testing fundamental physics with highly charged ions in Penning trapsIn Penning traps electromagnetic forces are used to confine charged particles under well-controlled conditions for virtually unlimited time. Sensitive detection methods have been developed to allow…Klaus Blaum, Sergey Eliseev, Sven Sturm·Mar 15, 2022SaveLearn
Engineering the sub-Doppler force in molecular magneto-optical trapsCurrent dual-frequency magneto-optical traps for ultracold molecules are plagued by sub-Doppler heating effects, making them vastly inferior to standard atomic MOTs. Here we demonstrate theoretically…S. Xu, P. Kaebert, M. Stepanova et al.·Mar 15, 2022SaveLearn
New Constraints on Exotic Spin-Velocity-Dependent InteractionsExperimental searches for new, "fifth" forces are attracting a lot of attention because they allow to test theoretical extensions to the standard model. Here, we report a new experimental search for…Kai Wei, Wei Ji, Changbo Fu et al.·Mar 14, 2022SaveLearn
Bragg-diffraction-induced imperfections of the signal in retroreflective atom interferometersWe present a detailed study of the effects of imperfect atom-optical manipulation in Bragg-based light-pulse atom interferometers. Off-resonant higher-order diffraction leads to population loss,…Jens Jenewein, Sabrina Hartmann, Albert Roura et al.·Mar 14, 2022SaveLearn
Electric Dipole Moments and Static Dipole Polarizabilities of Alkali--Alkaline-Earth Molecules: Non-relativistic versus relativistic coupled-cluster theory analysesWe analyze the electric dipole moments (PDMs) and static electric dipole polarizabilities of the alkali--alkaline-earth (Alk-AlkE) dimers by employing finite-field coupled-cluster methods, both in…R. Mitra, V. S. Prasannaa, B. K. Sahoo·Mar 14, 2022SaveLearn
Two-photon Annihilation of Positrons with K-shell Electrons of H-like ionsThe two-photon annihilation of a positron with an electron bound in the 1s state of a H-like ion is calculated within the fully relativistic QED framework. The interaction with the nucleus is treated…Z. A. Mandrykina, V. A. Zaytsev, V. A. Yerokhin et al.·Mar 13, 2022SaveLearn
Penning-trap mass measurements of the deuteron and the HD+ molecular ionThe masses of the lightest atomic nuclei and the electron mass are interlinked and are crucial in a wide range of research fields, with their values affecting observables in atomic, molecular and…Sascha Rau, Fabian Heiße, Florian Köhler-Langes et al.·Mar 11, 2022SaveLearn
Knee structure in the laser intensity dependence of high-order harmonic generations for grapheneWe investigate the high-order harmonic generations (HHGs) of graphene irradiated by linearly polarized lasers with intensities in a wide range from 108 W/cm2 to 1013 W/cm2. We find a…Fulong Dong, Jie Liu·Mar 11, 2022SaveLearn
Simulations for x-ray imaging of wave-packet dynamicsPrevious work on imaging wave packet dynamics with x-ray scattering revealed that the scattering patterns deviate substantially from the notion of instantaneous momentum density of the wave packet.…Akilesh Venkatesh, F. Robicheaux·Mar 11, 2022SaveLearn
Finite time effects in single and double Compton scatteringThe process of Compton scattering by a free electron with subsequent reemission of one or two photons is considered in the assumption of finite interaction time. The corresponding cross sections are…V. Dubrovich, T. Zalialiutdinov·Mar 10, 2022SaveLearn
Precision calculation of hyperfine structure of 7,9Be2+ ionsThe hyperfine structures of the 2\,3\!S1 and 2\,3\!PJ states of the 7Be2+ and 9Be2+ ions are investigated within the framework of the nonrelativistic quantum electrodynamics…Xiao-Qiu Qi, Pei-Pei Zhang, Zong-Chao Yan et al.·Mar 10, 2022SaveLearn
Transition frequency measurement of highly excited Rydberg states of 87Rb for a wide range of principal quantum numbersWe report our measurements of the absolute transition frequencies of 5P3/2,F = 3 to nS and nD Rydberg states of 87Rb with high principal quantum numbers in a wide range of values (n = 45-124). The…Silpa B S, Shovan Kanti Barik, Saptarishi Chaudhuri et al.·Mar 9, 2022SaveLearn
Direct laser cooling of calcium monohydride moleculesWe demonstrate optical cycling and sub-Doppler laser cooling of a cryogenic buffer-gas beam of calcium monohydride (CaH) molecules. We measure vibrational branching ratios for laser cooling…S. F. Vázquez-Carson, Q. Sun, J. Dai et al.·Mar 9, 2022SaveLearn
Evidence of ac-Stark-shifted resonances in intense two-color circularly polarized laser fieldsWe report on the appearance of a structure at low energies in the photo-electron momentum distribution of the hydrogen atom exposed to two-color counter-rotating bi-circular laser fields. These…Philipp Stammer, Serguei Patchkovskii, Felipe Morales·Mar 9, 2022SaveLearn
Electric dipole moments due to nuclear Schiff moment interactions: A reassessment of the atoms 129Xe, 199Hg, and the molecule 205TlFWe present relativistic many-body calculations of atomic and molecular Schiff-moment interaction constants including interelectron correlation effects using atomic Gaussian basis sets specifically…Mickaël Hubert, Timo Fleig·Mar 9, 2022SaveLearn
Resonant control of elastic collisions between 23Na40K molecules and 40K atomsWe have demonstrated the resonant control of the elastic scattering cross sections in the vicinity of Feshbach resonances between 23Na40K molecules and 40K atoms by studying the…Zhen Su, Huan Yang, Jin Cao et al.·Mar 9, 2022SaveLearn
Vortex creation, annihilation and nonlinear dynamics in atomic vaporsWe exploit new techniques for generating vortices and controlling their interactions in an optical beam in a nonlinear atomic vapor. A precise control of the vortex positions allows us to observe…P. Azam, A. Griffin, S. Nazarenko et al.·Mar 8, 2022SaveLearn
Multi-axis Accelerometry and Rotation Sensing using a Point Source Atom InterferometerA point source atom interferometer (PSI) is a device where atoms are split and recombined by applying a temporal sequence of Raman pulses during the expansion of a cloud of cold atoms behaving…Jinyang Li, Gregório R. M. da Silva, Jason Bonacum et al.·Mar 8, 2022SaveLearn