Vacuum polarization correction to atomic energy levels in the path integral formalismVacuum polarization corrections to the energy levels of bound electrons are calculated using a perturbative path integral formalism. We apply quantum electrodynamics in a framework which treats the…Sreya Banerjee, Zoltán Harman·Sep 24, 2023SaveLearn
Path integral formalism for the free Dirac propagator in spherical coordinatesThe relativistic Green's function of a free spin-1/2 fermion is derived using the Feynman path integral formalism in spherical coordinates. The Green's function is reduced to an exactly solvable path…Sreya Banerjee, Zoltán Harman·Sep 24, 2023SaveLearn
Metrology of Rydberg states of the hydrogen atomWe present a method to precisly measure the frequencies of transitions to high-n Rydberg states of the hydrogen atom which are not subject to uncontrolled systematic shifts caused by stray electric…Simon Scheidegger, Josef A. Agner, Hansjürg Schmutz et al.·Sep 22, 2023SaveLearn
Suppression of Black-body Radiation Induced Zeeman Shifts in the Optical Clocks due to the Fine-structure Intramanifold ResonancesThe roles of the fine-structure intramanifold resonances to the Zeeman shifts caused by the blackbody radiation (BBRz shifts) in the optical clock transitions are analyzed. The clock frequency…Zhi-Ming Tang, Yuan-Fei Wei, B. K. Sahoo et al.·Sep 22, 2023SaveLearn
High-Field Optical Cesium Magnetometer for Magnetic Resonance ImagingWe present a novel high-field optical quantum magnetometer based on saturated absorption spectroscopy on the extreme angular-momentum states of the cesium D2 line. With key features including…Hans Stærkind, Kasper Jensen, Jörg H. Müller et al.·Sep 21, 2023SaveLearn
Quantum Locking of Intrinsic Spin Squeezed State in Earth-field-range MagnetometryIn the Earth-field range, the nonlinear Zeeman (NLZ) effect has been a bottleneck limiting the sensitivity and accuracy of atomic magnetometry from physical mechanism. To break this bottleneck,…Peiyu Yang, Guzhi Bao, Jun Chen et al.·Sep 21, 2023SaveLearn
Muon-Induced Nuclear Magnetic Moments in Spinless Muonic Atoms: A Simple EstimateThe magnetic field generated by a bound muon in heavy muonic atoms results in an induced nuclear magnetic dipole moment even for otherwise spinless nuclei. This dipole moment interacts with the muon,…K. A. Beyer, N. S. Oreshkina·Sep 21, 2023SaveLearn
Preparing pure 43Ca+ samples in an ion trap with photoionization and parametric excitationsWe present a practical scheme for the efficient preparation of laser-cooled 43Ca+ ions in an ion trap. Our approach integrates two well-established methods: isotope-selective photoionization…C. -H. Kuo, Y. -C. Hsiao, C. -Y. Jhang et al.·Sep 21, 2023SaveLearn
Candidate Molecules for Next-Generation Searches of Hadronic Charge-Parity ViolationWe systematically study a set of strongly polar heteronuclear diatomic molecules composed of laser-coolable atoms for their suitability as sensitive probes of new charge-parity violation in the…Aurélien Marc, Mickaël Hubert, Timo Fleig·Sep 20, 2023SaveLearn
Effects of electrons on nuclear clock transition frequency in 229Th ionsWe perform calculations of the energy shift of the nuclear clock transition frequency 229Th as a function of the number of electrons in Th ion. We demonstrate that the dependence of the nuclear…V. A. Dzuba, V. V. Flambaum·Sep 20, 2023SaveLearn
Optically driven spin-alignment precessionThe effect of optically driven spin precession discovered by Bell and Bloom [W. E. Bell and A. L. Bloom, Phys. Rev. Lett. 6, 280 (1961)] is widely used nowadays as a basis for numerous experiments in…A. A. Fomin, M. Yu. Petrov, A. S. Pazgalev et al.·Sep 20, 2023SaveLearn
Enhanced Sensitivity in Rydberg Atom Electric Field Sensors through Autler-Townes Effect and Two-Photon Absorption: A Theoretical Analysis Using Many-Mode Floquet TheoryIn this paper, we present a comprehensive investigation into the sensitivity of a Rydberg atom electric field sensor, with a specific focus on the minimum detectable field (MDF) as a key metric. The…Tianhao Wu·Sep 20, 2023SaveLearn
Multi-sideband interference structures by high-order photon-induced continuum-continuum transitions in heliumFollowing up on a previous paper on two-color photoionization of Ar(3p) [Bharti et al., Phys. Rev. A 103 (2021) 022834], we present measurements and calculations for a modified three-sideband (3-SB)…D. Bharti, H. Srinivas, F. Shobeiry et al.·Sep 19, 2023SaveLearn
Breit interaction overtaking Coulomb force at low energies: an unexpectedly efficient mechanism for ionization in slow collisionsIt is generally assumed that ionization in slow collisions of light atomic particles, whose constituents (electrons and nuclei) move with velocities orders of magnitude smaller than the speed of…A. Jacob, C. Müller, A. B. Voitkiv·Sep 17, 2023SaveLearn
Engineering chiral spin interactions with Rydberg atomsWe propose to simulate the anisotropic and chiral Dzyaloshinskii-Moriya (DM) interaction with Rydberg atom arrays. The DM Hamiltonian is engineered in a one-dimensional optical lattice or trap array…Elena Kuznetsova, S. I. Mistakidis, Seth T. Rittenhouse et al.·Sep 15, 2023SaveLearn
Raman sideband cooling of molecules in an optical tweezer array to the 3-D motional ground stateUltracold polar molecules are promising for quantum information processing and searches for physics beyond the Standard Model. Laser cooling to ultracold temperatures is an established technique for…Yicheng Bao, Scarlett S. Yu, Jiaqi You et al.·Sep 15, 2023SaveLearn
Frequency-scanning considerations in axionlike dark matter spin-precession experimentsGalactic dark matter may consist of axionlike particles (ALPs) that can be described as an "ultralight bosonic field" oscillating at the ALP Compton frequency. The ALP field can be searched for using…Yuzhe Zhang, Deniz Aybas Tumturk, Hendrik Bekker et al.·Sep 15, 2023SaveLearn
Nuclear Deformation Effects in the Spectra of Highly Charged IonsNuclear deformation effects are theoretically investigated in terms of deformation corrections of the electronic binding and transition energies, g factor, and hyperfine splitting constant. By…Zewen Sun, Igor A. Valuev, Natalia S. Oreshkina·Sep 14, 2023SaveLearn
The Os16+ and Ir17+ ions as candidates for accurate optical clock sensitive to physics beyond standard modelWe perform detailed calculations of the electronic structure of the Os16+ ion and demonstrate that it has several metastable states which can be used for very accurate optical clocks. The clocks…V. A. Dzuba, V. V. Flambaum·Sep 14, 2023SaveLearn
Frequency modulation of Rydberg states by radio frequency electromagnetic fieldsIn this work, we demonstrate the generation of sidebands in electromagnetically induced transparency (EIT) signal due to frequency modulation of Rydberg states in 87Rb thermal vapor. An…Nabendu S. Mishra·Sep 13, 2023SaveLearn
Atomic Bethe logarithm in the mean-field approximationIn this work we develop and implement a method for calculation of the Bethe logarithm for many-electron atoms. This quantity is required to evaluate the leading-order quantum electrodynamics…Michał Lesiuk, Jakub Lang·Sep 13, 2023SaveLearn
Ionization by electron impacts and ionization potential depressionWe calculate the cross-section of ionization by free-electron impacts in high or moderate density plasmas. We show that the so-called ionization potential depression (IPD) strongly affects the…Djamel Benredjem, Jean-Christophe Pain, Annette Calisti et al.·Sep 13, 2023SaveLearn
Plasma density effects on the electron impact ionizationWe present new results on the ionization by electron impacts in a dense plasma. We are interested in the density effect known as the ionization potential depression and in its role in atomic…Djamel Benredjem, Jean-Christophe Pain, Annette Calisti et al.·Sep 13, 2023SaveLearn
Gauge dependence of spontaneous radiation spectrum of relativistic atomic beam under non-uniform electrostatic fieldGauge theory requires physical observables to be gauge-independent. However, ever since Lamb noticed the problem of gauge selection in calculating atomic spontaneous radiation spectrum, the problem…Xue-Nan Chen, Yu-Hang Luo, Xiang-Song Chen·Sep 13, 2023SaveLearn
Fast adiabatic transport of single laser-cooled 9Be+ ions in a cryogenic Penning trap stackHigh precision mass and g-factor measurements in Penning traps have enabled groundbreaking tests of fundamental physics. The most advanced setups use multi-trap methods, which employ transport of…T. Meiners, J. -A. Coenders, J. Mielke et al.·Sep 13, 2023SaveLearn