Separating the output ports of a Bragg interferometer via velocity selective transportWe report on the study of a detection scheme based on a Bloch separator in two-photon Bragg interferometers. We increase the spatial separation between the two output ports of the interferometer by…Raphaël Piccon, Sumit Sarkar, Sébastien Merlet et al.·Mar 7, 2022SaveLearn
Reactive collisions between electrons and BeT+: Complete set of thermal rate coefficients up to 5000 KRate coefficients for the dissociative recombination, vibrational excitation and vibrational de-excitation of the BeT+ ion for all vibrational levels of its ground electronic state ($…N. Pop, F. Iacob, S. Niyonzima et al.·Mar 6, 2022SaveLearn
Toward inertial sensing with a monochromatic 23 S positronium beamIn this work, we discuss the possibility of inertial sensing with positronium in the 23 S metastable state for the measurement of optical dipole, relativistic and gravitational forces on a purely…Sebastiano Mariazzi, Ruggero Caravita, Michael Doser et al.·Mar 6, 2022SaveLearn
Exploring symmetries in photoelectron holography with two-color linearly polarized fieldsWe investigate photoelectron holography in bichromatic linearly polarized fields of commensurate frequencies rω and sω, with emphasis on the existing symmetries and for which values of…T. Rook, C. Figueira de Morisson Faria·Mar 4, 2022SaveLearn
The Origins of Rydberg Atom Electrometer Transient Response and its Impact on Radio Frequency Pulse SensingRydberg atoms have shown significant promise as the basis for highly sensitive detectors of continuous radio-frequency (RF) E-fields. Here, we study their time-dependent response to pulse-modulated…Stephanie M. Bohaichuk, Donald Booth, Kent Nickerson et al.·Mar 3, 2022SaveLearn
Two-body continuum states in non-integer geometryWave functions, phase shifts and corresponding elastic cross sections are investigated for two short-range interacting particles in a deformed external oscillator field. For this we use the…Esben Rohan Christensen, Eduardo Garrido, Aksel Stenholm Jensen·Mar 2, 2022SaveLearn
A single-atom level mechano-optical transducer for ultrasensitive force sensingUsing light as a probe to detect a mechanical motion is one of the most successful experimental approaches in physics. The history of mechanical sensing based on the reflection, refraction and…Yang Liu, Pengfei Lu, Xinxin Rao et al.·Mar 2, 2022SaveLearn
Frequency stabilization of a 739 nm laser to an I2 spectrum for trapped Ytterbium ionsWe report on the frequency stabilization of a 739 nm Ti:sapphire laser to a hyperfine component of the 127I2 B(1)-X(11) P(70) transition using acousto-optic modulation transfer spectroscopy…Hao Wu, PengFei Lu, Yang Liu et al.·Mar 2, 2022SaveLearn
Determination of atomic multiphoton ionization phases by trichromatic multichannel wave packet interferometryWe present a multichannel photoelectron interferometry technique based on trichromatic pulse shaping for unambiguous determination of quantum phases in multiphoton ionization (MPI) of potassium…K. Eickhoff, D. Köhnke, L. Feld et al.·Mar 1, 2022SaveLearn
Quantum tunneling isotope exchange reaction H2 + D- -> HD + H-The tunneling reaction H2 + D- → HD + H- was studied in a recent experimental work at low temperatures (10, 19, and 23~K) by Endres et al., Phys. Rev. A 95, 022706…Chi Hong Yuen, Mehdi Ayouz, Eric S. Endres et al.·Feb 26, 2022SaveLearn
Four-body system of 4He atoms: Dimer-dimer scatteringThe strong short-range repulsion, characteristic to realistic interatomic potentials, complicates the description of weakly-bound few-body systems such as those of atoms. The present work…A. Deltuva·Feb 25, 2022SaveLearn
Low-energy electron impact dissociative recombination and vibrational transitions of N+2Cross sections and thermal rate coefficients are computed for electron-impact dissociative recombination and vibrational excitation/de-excitation of the N+2 molecular ion in its lowest six…A. Abdoulanziz, C. Argentin, V. Laporta et al.·Feb 24, 2022SaveLearn
Development of a compact high-resolution absolute gravity gradiometer based on atom interferometersWe present a compact high-resolution gravity gradiometer based on dual Rb-85 atom interferometers using stimulated Raman transitions. A baseline L=44.5 cm and an interrogation time T=130 ms are…Wei Lyu, Jia-Qi Zhong, Xiao-Wei Zhang et al.·Feb 24, 2022SaveLearn
Frequency noise characterization of diode lasers for vapor cell clocks applicationsThe knowledge of the frequency noise spectrum of a diode laser is of interest in several high resolution experiments. Specifically, in laser-pumped vapor cell clocks, it is well established that the…Gaspare Antona, Michele Gozzelino, Salvatore Micalizio et al.·Feb 24, 2022SaveLearn
Nuclear magnetic shielding in HD and HTWe perform a calculation of the nuclear magnetic shielding in HD and HT molecules, with complete and perturbative accounts for nuclear masses. From the difference in shielding, we obtain the deuteron…Mariusz Puchalski, Jacek Komasa, Anna Spyszkiewicz et al.·Feb 23, 2022SaveLearn
Observation of rovibrationally coupled bi-modality and speed-dependent orientation in DEA dynamics of OCS: reveals partial correlations among point group symmetriesDissociative electron attachment (DEA) to gas-phase carbonyl sulfide (OCS) has been studied diligently using the time-of-flight (TOF) based state-of-the-art velocity map imaging (VMI) technique.…Narayan Kundu, Vikrant Kumar, Tejas Jani et al.·Feb 22, 2022SaveLearn
Ab initio quantum theory of mass defect and time dilation in trapped-ion optical clocksWe derive a Hamiltonian for the external and internal dynamics of an electromagnetically bound, charged two-particle system in external electromagnetic and gravitational fields, including…V. J. Martínez-Lahuerta, S. Eilers, T. E. Mehlstäubler et al.·Feb 22, 2022SaveLearn
Temperature-related effects in the polarization of atoms in a magnetized plasma as a promising feature towards high 3He nuclear polarizationWe report on further investigation of nuclear hyperpolarization of helium-3 in magnetized plasma at a magnetic field of 3.66 T and at different experimental conditions in a dual cell of relatively…Alexander Makarchenko, Vyacheslav Kuzmin, Kajum Safiullin et al.·Feb 21, 2022SaveLearn
Direct reconstruction of the band structure of a 1D optical lattice with thermal atomsWe report on a simple method to reconstruct the band structure of a 1D optical lattice using a thermal cloud with a momentum spread of about two-photon recoils. We image the momentum distribution of…Arnaud Courvoisier, Amruta Gadge, Nir Davidson·Feb 20, 2022SaveLearn
Measurement of the Ra+ 7p 2P3/2 state lifetimeWe report a measurement of the radium ion's 7p 2P3/2 state lifetime, τ=4.78(3) ns. The measured lifetime is in good agreement with theoretical calculations, and will enable a…M. Fan, C. A. Holliman, A. Contractor et al.·Feb 20, 2022SaveLearn
Spinor matterwave control with nanosecond spin-dependent kicksSignificant aspects of advanced quantum technology today rely on rapid control of atomic matterwaves with hyperfine Raman transitions. Unfortunately, efficient Raman excitations are usually…Liyang Qiu, Lingjing Ji, Jiangyong Hu et al.·Feb 20, 2022SaveLearn
Dissociative recombination and rotational transitions of D2+ in collisions with slow electronsRate coefficients for dissociative recombination and state-to-state rotational transitions of the D2+ ion induced by collisions with very low-energy electrons have been reported following our…M. D. Epée Epée, O. Motapon, N. Pop et al.·Feb 18, 2022SaveLearn
Rydberg atom-based field sensing enhancement using a split-ring resonatorWe investigate the use of a split-ring resonator (SRR) incorporated with an atomic-vapor cell to improve the sensitivity and the minimal detectable electric (E) field of Rydberg atom-based sensors.…Christopher L. Holloway, Nikunjkumar Prajapati, Alexandra B. Artusio-Glimpse et al.·Feb 18, 2022SaveLearn
Effect of the neutron quadrupole distribution in the TaO+ cationWe estimate the effect of the tensor parity nonconserving (PNC) interaction in the 181TaO+ molecular cation. It can be used to probe the unknown quadrupole distribution of the neutrons inside…Gleb Penyazkov, Leonid V. Skripnikov, Alexander V. Oleynichenko et al.·Feb 17, 2022SaveLearn
Hyperspherical approach to atom--dimer collision with the Jacobi boundary conditionIn this study, we investigate atom--dimer scattering within the framework of the hyperspherical method. The coupled channel Schr\"odinger equation is solved using the R-matrix propagation technique…Cai-Yun Zhao, Yi Zhang, Hui-Li Han et al.·Feb 17, 2022SaveLearn