78 papers
This paper proposes that spinning black holes in the Milky Way can act as persistent "scalar sirens" by ejecting light scalar particles via superradiant instability, thereby generating a detectable, high-velocity scalar background that offers a novel, independent probe of isolated black hole populations and scalar field properties.
This paper re-examines the uncertainty of the theoretical prediction for the ground-state hyperfine splitting in muonium and compares it with the assessments found in the two most recent CODATA adjustments of fundamental physical constants.
This paper presents a theoretical computation of the hyperfine splitting for P-wave heavy quarkonium states with next-to-next-to-next-to-next-to-leading-order accuracy and next-to-next-to-next-to-next-to-leading-logarithmic resummation, followed by a phenomenological analysis applied to bottomonium, charmonium, the system, and various leptonic and atomic systems.
This paper reports on the commissioning and technical description of a newly implemented fast electron-energy scan system for the Giessen crossed-beams experiment, which utilizes a multi-electrode high-power electron gun to enable independent control of electron energy and density for precise electron-impact ionization cross-section measurements.
This paper introduces simple boundary corrections to the matrix Numerov method that incorporate analytic near-origin information, thereby restoring and even enhancing its convergence order for solving the Schrödinger equation with singular potentials like the Coulomb interaction.
This study demonstrates that residual rubidium atoms in a high-temperature sapphire cesium vapor cell can exhibit saturated absorption and electromagnetically induced transparency (EIT) resonances, where the dense cesium buffer gas enhances the EIT signal by reducing atomic velocity and extending interaction time, thereby enabling spectroscopic analysis of trace species and collisional cross-sections.
This study reveals strong electron correlations in planetary atomic structures through kinematically complete investigations of nonsequential above-threshold double ionization in cold strontium atoms, demonstrating that doubly excited states mediate the emission of correlated electron pairs and fundamentally reshaping our understanding of electron dynamics in laser-driven three-body systems.
This study demonstrates that unshielded dielectric objects, such as bare optical fibers, can be viably integrated into cryogenic surface electrode ion traps, as their induced stray electric fields are stable and compensable, and their contribution to ion motional heating remains manageable at cryogenic temperatures.
This paper demonstrates a quantum weak measurement scheme using Rydberg atom-based electromagnetically induced transparency that leverages probe laser polarization changes to suppress technical noise and achieve a sensitivity of 33 for low-frequency electric field sensing.
This review comprehensively outlines recent theoretical and experimental advances in diatomic Rydberg molecules, categorizing them by their binding mechanisms (ground-Rydberg, Rydberg-Rydberg, and ion-Rydberg) and detailing their formation, potential energy curves, experimental observations, and spectroscopic properties to provide a state-of-the-art overview of the field.
This paper demonstrates that dressing the intermediate state of a hot Rb vapor with a strong control field enables the observation of high-optical-depth, sub-Doppler-width absorption lines at telecom wavelengths, achieving a significant reduction in linewidth without the need for laser cooling.
This paper reports the quantum simulation of massive relativistic fields in 2+1 dimensions using a two-component Bose-Einstein condensate to encode the sine-Gordon model, successfully demonstrating both tunable relativistic dispersion in the perturbative regime and non-perturbative topological domain walls.
This paper demonstrates that the energy levels of QED bound states, such as muonic hydrogen, can be calculated using matrix elements of the energy-momentum tensor trace, showing analytically and diagrammatically how this method yields results consistent with standard one-loop Lamb shift calculations despite employing different diagrammatic sets.
This paper experimentally investigates light transmission through dense atomic vapor, demonstrating that the propagation can be modeled as a Lévy flight with a length-dependent local power exponent and a step-length distribution that alternates based on atomic collisions, where the measured Lévy index is determined by the system size.
This paper proposes a novel H and HD formation pathway driven by Jahn-Teller dynamical coupling in H that bypasses standard CMB-suppressed intermediates, potentially explaining the unexpectedly early and abundant formation of luminous galaxies and supermassive black holes observed by the James Webb Space Telescope.
This presentation reviews potential Lorentz violation signals in atomic and molecular spectroscopy by summarizing current constraints on nonrelativistic SME coefficients, outlining prospects for first-time bounds on unconstrained parameters, and emphasizing the critical role of high-angular-momentum states in these symmetry tests.
This paper presents a comprehensive revision of the rigid-wavefunction approach for calculating hydrogen photoionization in magnetized media, providing explicit expressions for transition probabilities and occupation numbers that reveal significant modifications to absorption opacities and pronounced dichroic features even at magnetic field strengths below 10 MG.
This paper demonstrates that while advanced quantum sensors cannot directly detect gravitational waves via internal atomic or center-of-mass coupling due to negligible signal gains, they can still enhance existing laser and atom interferometers by factors of 1.04 to 2.4 by exploiting the light-propagation coupling mechanism and addressing specific noise limitations.
This paper demonstrates a miniaturizable three-photon Rydberg electrometry scheme for Cesium atoms using a J-level coupling and external cavity diode lasers, achieving competitive electric field sensitivity of 27 μV m⁻¹ Hz⁻¹/² at 4.7 GHz without requiring tapered amplifiers or frequency doubling crystals, while also exploring a modified population repump readout configuration.
This paper presents a compact, single-optical-axis vector magnetometer that achieves deadzone-free operation with high angular accuracy (80 rad) and low noise by utilizing Zeeman Rabi oscillations driven by resonant radiofrequency polarization ellipses, supported by a comprehensive theoretical model and calibration protocol.