593 papers
The subatomic world is a realm where matter behaves in ways that defy our everyday intuition, and this category explores the fundamental building blocks of our universe. From the intricate dance of quarks inside a proton to the strange properties of electrons, these studies reveal the deep rules that govern everything from the smallest particles to the largest stars.
At Gist.Science, we track every new preprint in this field as it appears on arXiv, ensuring you stay ahead of the curve. For each discovery, we provide both a clear, plain-language explanation of the core ideas and a detailed technical summary for those who want to dive deeper into the mathematics and methodology.
Below are the latest papers in Atom-Ph, offering fresh insights into the structure and behavior of the atomic scale.
This paper demonstrates a three-laser Doppler-free excitation scheme in warm vapor that achieves a three-fold increase in Rydberg atom density and a four-fold reduction in spectral line-widths compared to traditional counter-propagating configurations, offering significant improvements for Rydberg-based technologies like electric field sensing and photon sources.
This paper presents new R-matrix and MCDHF atomic data for tellurium ions (Te I–V), including electron-impact excitation and photoionization cross-sections, to improve kilonova spectral modeling and investigate Te IV's potential contribution to the 1.08 μm emission feature in AT2017gfo.
This paper presents a compact 44-cm dual-beam Zeeman slower design that utilizes oblique laser beams and a capillary-array collimation system to significantly enhance cold atom flux for 2D-MOT loading while nearly eliminating window contamination, as validated by simulations and experiments with Rubidium and Ytterbium.
This study presents the first experimental implementation of an environment-aware axion dark matter search using a K-Rb-Ne comagnetometer, which leverages Earth-induced field enhancements to set the most stringent limits to date on axion-neutron derivative interactions, improving sensitivity by up to three orders of magnitude over previous methods that ignored terrestrial matter effects.
Using ultracold atoms in an optical lattice, the authors experimentally demonstrate pseudo-fermionization and chiral binding in one-dimensional anyons by preparing ground states of the anyon-Hubbard model through Hamiltonian engineering and adiabatic manipulation, thereby bridging theoretical predictions with observable signatures in both equilibrium and non-equilibrium settings.
This study employs Multiconfiguration Dirac-Hartree-Fock and relativistic coupled-cluster methods to calculate accurate excitation energies, radiative transition rates, and hyperfine structure constants for 18 states of neutral silver (Ag I), providing extensive data with quantified uncertainties to support precise r-process abundance determinations in late-type stars.
This paper reports the theoretical prediction and experimental measurement of a tune-out wavelength at approximately 575.646 nm for the ground state of thulium atoms, demonstrating that Bose-Einstein condensation can be achieved near this wavelength by optimizing trap polarization to manage polarizability components.
This study systematically investigates how driving detuning affects photon indistinguishability from an InAs quantum dot, revealing that while small detunings align with a pure-state spontaneous emission model, larger detunings produce anomalous two-photon interference features characterized by a normalized second-order correlation function below 0.5 under orthogonal polarizations.
This paper demonstrates that a distinct sideband gain peak, typically obscured by Doppler broadening in thermal vapors, can be sustained in warm alkali atom systems when the pump Rabi frequency and detuning exceed the Doppler width, thereby enabling degenerate mirrorless lasing for enhanced remote magnetic sensing.
This paper reports the first experimental observation of statistical localization in a Rydberg atom simulator of a lattice gauge theory, demonstrating that strong Hilbert space fragmentation can cause conserved quantities with nonlocal operator support to remain locally distributed and frozen in time, thereby challenging the expectation that such nonlocal laws do not impede local thermalization.