Highly Charged Ion (HCI) Clocks: Frontier candidates for testing variation of fine-structure constantAttempts are made to unify gravity with the other three fundamental forces of nature. As suggested by higher dimensional models, this unification may require space and time variation of some…Yan-Mei Yu, B. K. Sahoo, Bing-Bing Suo·Nov 22, 2022SaveLearn
The Bohr-Weisskopf effect in the potassium isotopesThe magnetic hyperfine structure constants have been calculated for low-lying levels in neutral potassium atom taking into account the Bohr--Weisskopf (BW) and Breit--Rosenthal (BR) effects.…Yu. A. Demidov, M. G. Kozlov, A. E. Barzakh et al.·Nov 21, 2022SaveLearn
Sensitivity Comparison of Two-photon vs Three-photon Rydberg ElectrometryWe investigate the sensitivity of three-photon EIT in Rydberg atoms to radio frequency detection and compare it against conventional two-photon systems. Specifically, we model the 4-level and 5-level…Nikunjkumar Prajapati, Narayan Bhusal, Andrew P. Rotunno et al.·Nov 21, 2022SaveLearn
Magneto-optical trapping in a near-surface boreholeBorehole gravity sensing can be used in a number of applications to measure features around a well including rock-type change mapping and determination of reservoir porosity. Quantum technology…Jamie Vovrosh, Katie Wilkinson, Sam Hedges et al.·Nov 21, 2022SaveLearn
Laser-induced forced evaporative cooling of molecular anions below 4 KelvinThe study of cold and controlled molecular ions is pivotal for fundamental research in modern physics and chemistry. Investigations into cooling molecular anions, in particular, have proven to be of…Jonas Tauch, Saba Zia Hassan, Markus Noetzold et al.·Nov 21, 2022SaveLearn
Electric dipole transition amplitudes for atoms and ions with one valence electronMotivated by recent measurements for several alkali-metal atoms and alkali-metal-like ions, we perform a detailed study of electric dipole (E1) transition amplitudes in K, Ca+, Rb, Sr+, Cs, Ba+, Fr,…B. M. Roberts, C. J. Fairhall, J. S. M. Ginges·Nov 21, 2022SaveLearn
Magnetic trapping of ultracold molecules at high densityTrapping ultracold molecules in conservative traps is essential for applications -- such as quantum state-controlled chemistry, quantum simulations, and quantum information processing. These…Juliana J. Park, Yu-Kun Lu, Alan O. Jamison et al.·Nov 20, 2022SaveLearn
Strong-Field Nonsequential Double Photoionization Using Virtual Detector Theory with Path SummationWe present an ab initio study of the nonsequential strong-field ionization dynamics of a model two-electron atom with helium character. Single- and double-ionization events are characterized and…Daniel Younis, Joseph H. Eberly·Nov 20, 2022SaveLearn
ASTRA, A Transition Density Matrix Approach to the Interaction of Attosecond Radiation with Atoms and MoleculesA new formalism and computer code, ASTRA (AttoSecond TRAnsitions), has been developed to treat the interactions of short, intense radiation with molecules. The formalism makes extensive use of…Juan M Randazzo, Carlos Marante, Siddhartha Chattopadhyay et al.·Nov 18, 2022SaveLearn
Estimating gravity acceleration from static atomic gravimeter by Kalman filteringWe present the construction of the two-state model of the atomic gravimeter and the associated Kalman recursion to estimate gravity acceleration from atomic gravimeter. We find the Kalman estimator…Bo-Nan Jiang, Yu-Zhu Wang·Nov 18, 2022SaveLearn
Probing van der Waals interactions and detecting polar molecules by F\"orster resonance energy transfer with Rydberg atoms at temperatures below 100 mKElectric-field-controlled F\"orster resonance energy transfer (FRET) between Rydberg helium (He) atoms and ground-state ammonia (NH3) molecules has been studied at translational temperatures below…J. Zou, S. D. Hogan·Nov 17, 2022SaveLearn
Dipolar spin-exchange and entanglement between molecules in an optical tweezer arrayDue to their intrinsic electric dipole moments and rich internal structure, ultracold polar molecules are promising candidate qubits for quantum computing and for a wide range of quantum simulations.…Yicheng Bao, Scarlett S. Yu, Loïc Anderegg et al.·Nov 17, 2022SaveLearn
Bi-chromatic driver enabled control of high harmonic generation in atomic targetsWe investigated the high-order harmonic generation by interacting time-delayed, linearly polarized bi-chromatic laser pulses with the atomic target. The frequency ratio of secondary to primary fields…Rambabu Rajpoot, Amol R. Holkundkar·Nov 17, 2022SaveLearn
Forbidden "ortho"--"para" electric dipole transitions in H2+ ionWe present the first systematic calculation of the electric dipole forbidden transitions in the homonuclear molecular ion H2+. We get that the transition rate from the ground "ortho"…V. I. Korobov, D. Bakalov·Nov 17, 2022SaveLearn
Absolute frequency measurement of the 6s2~1S0 6s6p~3P1 F=3/2 F'=5/2 201Hg transition with background-free saturation spectroscopyWe report the development of a method for eliminating background-induced systematic shifts affecting precise measurements of saturation absorption signals. With this technique, we measured the…Adam Linek, Piotr Morzyński, Marcin Witkowski·Nov 16, 2022SaveLearn
Ultrafast Two-electron Orbital Swap in Li Initiated by Attosecond pulsesA universal mechanism of ultrafast two-electron orbital swap is discovered through two-photon sequential double ionization of Li. After a 1s electron in Li is ionized by absorbing an EUV photon,…Hui Jiang, Zhao-Han Zhang, Yang Li et al.·Nov 16, 2022SaveLearn
Ion-atom-atom three-body recombination: from the cold to the thermal regimeWe present a study on ion-atom-atom reaction A+A+B+ in a wide range of systems and collision energies ranging from 100~μK to 105~K, analyzing the two possible products: molecules and…Marjan Mirahmadi, Jesús Pérez-Ríos·Nov 15, 2022SaveLearn
Diffusion of muonic hydrogen in hydrogen gas and the measurement of the 1s hyperfine splitting of muonic hydrogenThe CREMA collaboration is pursuing a measurement of the ground-state hyperfine splitting (HFS) in muonic hydrogen (μp) with 1 ppm accuracy by means of pulsed laser spectroscopy. In the proposed…J. Nuber, A. Adamczak, M. Abdou Ahmed et al.·Nov 15, 2022SaveLearn
Calculation of the K 4s, 7s, and 4p photoabsorption near thresholdWe revisit the photoabsorption from the ground state of K, ending below and above the ionization threshold, with special emphasis on the shape of the photoionization cross section around the Cooper…Constantine E. Theodosiou·Nov 15, 2022SaveLearn
Natural line profile asymmetryThe paper discusses the line profile asymmetry of the photon scattering process that arises naturally in quantum electrodynamics (QED). Based on precision spectroscopic experiments conducted on…A. Anikin, T. Zalialiutdinov, D. Solovyev·Nov 14, 2022SaveLearn
Magnetic Feshbach resonances between atoms in 2S and 3P0 states: mechanisms and dependence on atomic propertiesMagnetically tunable Feshbach resonances exist in ultracold collisions between atoms in 2S and 3P0 states, such as an alkali-metal atom colliding with Yb or Sr in a clock state. We…Bijit Mukherjee, Matthew D. Frye, Jeremy M. Hutson·Nov 14, 2022SaveLearn
Phase diffusion and fluctuations in a dissipative Bose-Josephson junctionWe analyze the phase diffusion, quantum fluctuations and their spectral features of an one-dimensional Bose-Josephson junction (BJJ) coupled to a bosonic heat bath. We show the dependence of the…Abhik Kumar Saha, Deb Shankar Ray, Bimalendu Deb·Nov 14, 2022SaveLearn
Molecular electric dipole moments: from light to heavy molecules using a relativistic VQE algorithmThe quantum-classical hybrid Variational Quantum Eigensolver (VQE) algorithm is recognized to be the most suitable approach to obtain ground state energies of quantum many-body systems in the noisy…K. R. Swain, V. S. Prasannaa, Kenji Sugisaki et al.·Nov 13, 2022SaveLearn
Radiative electron attachment to rotating C3N through dipole-bound statesThe role of a large dipole moment in rotating neutral molecules interacting with low-energy electrons is studied using an accurate ab initio approach accounting for electronic and rotational…Joshua Forer, Viatcheslav Kokoouline, Thierry Stoecklin·Nov 11, 2022SaveLearn
Observation of quantum capture in an ion-molecule reactionIn 1954, Vogt and Wannier (Phys. Rev. 95, 1190) predicted that the capture rate of a polarizable neutral atom or molecule by an ion should increase by a factor of two compared to the classical…Katharina Höveler, Johannes Deiglmayr, Josef A. Agner et al.·Nov 11, 2022SaveLearn