Bose-Einstein condensation by polarization gradient laser coolingAttempts to create quantum degenerate gases without evaporative cooling have been pursued since the early days of laser cooling, with the consensus that polarization gradient cooling (PGC, also known…Wenchao Xu, Tamara Šumarac, Emily H. Qiu et al.·Dec 12, 2023SaveLearn
Resonant high-order harmonic generation by indium ionsHigh-order harmonic generation in multiphoton ionization regime is studied theoretically to examine the resonant effects of the generating particle. We solve the time-dependent Schr\"odinger equation…Alexander I. Magunov, Vasily V. Strelkov·Dec 11, 2023SaveLearn
Pump-probe studies of resonantly saturated selective reflection from high-density rubidium vaporNonlinear selective reflection from the interface YAG window-high density rubidium vapor in the high-temperature cell is studied at the transition 5S1/2-5P3/2. In the experiment tunable…V. A. Sautenkov, S. A. Saakyan, A. A. Bobrov et al.·Dec 11, 2023SaveLearn
Characterization of an 27Al+ ion optical clock laser with three independent methodsWe report on the development and performance evaluation of an ultra-stable clock laser for an 27Al+ optical clock. The thermal noise limited ultra-stable laser is developed based on a 30 cm…Zhiyuan Wang, Zhiyu Ma, Wenzhe Wei et al.·Dec 11, 2023SaveLearn
Comparison and analysis of methods for measuring the spin transverse relaxation time of rubidium atomic vaporThe spin transverse relaxation time (T2) of atoms is an important indicator for precision measurement. Several methods have been proposed to characterize the T2 of atoms. In this paper, the T2 of…Lulu Zhang, Ni Zhao, Yongbiao Yang et al.·Dec 11, 2023SaveLearn
Spin noise spectroscopy of an alignment-based atomic magnetometerOptically pumped magnetometers (OPMs) are revolutionising the task of magnetic-field sensing due to their extremely high sensitivity combined with technological improvements in miniaturisation which…Marcin Kozbial, Lucy Elson, Lucas M. Rushton et al.·Dec 9, 2023SaveLearn
Sympathetic cooling of trapped Th3+ alpha-recoil ions for laser spectroscopySympathetic cooling of Th3+ ions is demonstrated in an experiment where 229Th and 230Th are extracted from uranium recoil ion sources and are confined in a linear Paul trap together…G. Zitzer, J. Tiedau, M. V. Okhapkin et al.·Dec 8, 2023SaveLearn
Bell test of quantum entanglement in attosecond photoionizationAttosecond physics enables the study of ultrafast coherent electron dynamics in matter upon photoexcitation and photoionization, revealing spectacular effects such as hole migration and coherent…Marco Ruberti, Vitali Averbukh, Florian Mintert·Dec 8, 2023SaveLearn
Bi-planar magnetic stabilisation coils for an inertial sensor based on atom interferometryInertial sensors that measure the acceleration of ultracold atoms promise unrivalled accuracy compared to classical equivalents. However, atomic systems are sensitive to various perturbations,…A. Davis, P. J. Hobson, T. X. Smith et al.·Dec 8, 2023SaveLearn
Impact of the continuum Coulomb interaction in quantum-orbit-based treatments of high-order above-threshold ionizationWe perform a systematic comparison between photoelectron momentum distributions computed with the rescattered-quantum orbit strong-field approximation (RQSFA) and the Coulomb-quantum orbit…T. Rook, D. Habibović, L. Cruz Rodriguez et al.·Dec 8, 2023SaveLearn
Status of the detector setup for the FAMU experiment at RIKEN-RAL for a precision measurement of the Zemach radius of the proton in muonic hydrogenThe FAMU experiment at RIKEN-RAL is a muonic atom experiment with the aim to determine the Zemach radius of the proton by measuring the 1s hyperfine splitting in muonic hydrogen. The activity of the…R. Rossini, A. Adamczak, D. Bakalov et al.·Dec 8, 2023SaveLearn
Hyperfine interaction in the Autler-Townes effect II: control of two-photon selection rules in the Morris-Shore basisWe investigated the absence of certain bright peaks in Autler-Townes laser excitation spectra of alkali metal atoms. Our research revealed that these dips in the spectra are caused by a specific…Arturs Cinins, Dmitry K. Efimov, Martins Bruvelis et al.·Dec 5, 2023SaveLearn
Optical cycling in charged complexes with Ra-N bondsThe extension of laser cooling and trapping techniques to polyatomic molecular ions would have advanced scientific applications such as search of physics outside of the Standard Model, ultracold…Timur Isaev, Alexander V. Oleynichenko, Dmitrii A. Makinskii et al.·Dec 5, 2023SaveLearn
Mitigating noise of residual electric fields for single Rydberg atoms with electron photodesorptionRydberg atoms as versatile tools for quantum applications are extremely sensitive to electric fields. When utilizing these atoms, it becomes imperative to comprehensively characterize and mitigate…Bahtiyar Mamat, Cheng Sheng, Xiaodong He et al.·Dec 5, 2023SaveLearn
Measuring magnetic field coil constants based on atomic magnetometry and fluxgate magnetometryIn a magnetic field detection system,to achieve high-sensitivity magnetic field measurement, it is necessary to use uniform magnetic field coils to provide a stable working environment, so the…Ni Zhao, Lulu Zhang, Yongbiao Yang et al.·Dec 4, 2023SaveLearn
Reversible phasonic control of a quantum phase transition in a quasicrystalPeriodic driving can tune the quasistatic properties of quantum matter. A well-known example is the dynamical modification of tunneling by an oscillating electric field. Here we show experimentally…Toshihiko Shimasaki, Yifei Bai, H. Esat Kondakci et al.·Dec 2, 2023SaveLearn
Heating rate in a linear quadrupole trapIn radio-frequency trap, the temperature of ion ensembles converges towards a hot equilibrium due to radio-frequency heating. This effect is detrimental to the stability of trapped ensembles and is…Adrien Poindron, Jofre Pedregosa-Gutierrez, Caroline Champenois·Dec 1, 2023SaveLearn
Coupling trapped ions to a nanomechanical oscillatorCold ions in traps are well-established, highly controllable quantum systems with a wide variety of applications in quantum information, precision spectroscopy, clocks and chemistry. Nanomechanical…Moritz Weegen, Martino Poggio, Stefan Willitsch·Dec 1, 2023SaveLearn
Imaging Resonance Effects in C + H2 Collisions using a Zeeman DeceleratorAn intriguing phenomenon in molecular collisions is the occurrence of scattering resonances, which originate from bound and quasi-bound states supported by the interaction potential at low collision…Vikram Plomp, Xu-Dong Wang, Jacek Kłos et al.·Nov 30, 2023SaveLearn
Direct determination of the fully differential cross section by the time-dependent wave functionThis paper focused on showing that the fully differential cross section of ionization during a collision of a proton and an antiproton with a hydrogen atom is directly expressed by the time-dependent…Zorigt Gombosuren, Khenmedekh Lochin, Altangoo Ochirbat et al.·Nov 30, 2023SaveLearn
Sub-Doppler spectroscopy of the near-UV Cs atom 6S1/2-7P1/2 transition in a microfabricated vapor cellWe report on the characterization of sub-Doppler resonances detected by probing the 6S1/2-7P1/2 transition of Cs atom at 459 nm in a microfabricated vapor cell. The dependence of the…Emmanuel Klinger, Andrei Mursa, Carlos M. Rivera-Aguilar et al.·Nov 30, 2023SaveLearn
Cm15+ and Bk16+ ion clocks with enhanced sensitivity to new physicsWe perform calculations of electronic structure of Cm15+ and Bk16+ ions and demonstrate that they have transitions which combine the features of atomic optical clocks with the enhanced…V. A. Dzuba, V. V. Flambaum·Nov 30, 2023SaveLearn
Van der Waals coefficients for interactions of dysprosium and erbium atoms with alkali-metal and alkaline-earth-metal atomsThe long-range part of the interatomic interactions plays a substantial role in the collisional dynamics of ultracold gases. Here, we report on the calculation of the isotropic and anisotropic C6…Klaudia Zaremba-Kopczyk, Michał Tomza, Maxence Lepers·Nov 29, 2023SaveLearn
A general model and toolkit for the ionization of three or more electrons in strongly driven molecules using an effective Coulomb potential for the interaction between bound electronsWe formulate a general three-dimensional semiclassical model for the study of correlated multielectron escape during fragmentation of molecules driven by intense infrared laser pulses, while fully…Georgios Petros Katsoulis, Matthew Benjamin Peters, Agapi Emmanouilidou·Nov 29, 2023SaveLearn
Systematic-free limit on new light scalar bosons via isotope shift spectroscopy in Ca+We report a precise measurement of the isotope shifts in the 42S1/2 → 32D3/2 electric quadrupole transition at 732~nm in 40 - 42,44,48Ca+ via high-resolution laser…Timothy T. Chang, Bless Bah Awazi, Julian C. Berengut et al.·Nov 29, 2023SaveLearn