429 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 study utilizes advanced simulations to reveal that Nb atoms in -TiAl alloys simultaneously enhance high-temperature strength by increasing Peierls stress and improve ductility by reducing stacking fault energies through the formation of specific antisite defects, thereby resolving the controversy over Nb's dual role.
This paper presents a self-calibrated method using multi-level, Zeeman-resolved Rydberg electromagnetically induced transparency spectroscopy to reconstruct the full three-dimensional vector amplitude and phase of microwave fields without requiring external reference signals.
This paper demonstrates that integrating a high-bandwidth, wearable optically pumped magnetometer (OPM) with traditional proton precession magnetometers (PPM) during a 20 km survey in Scotland effectively mitigates spatial aliasing and anthropogenic noise, enabling the detection of previously unresolved small-scale geological structures.
This paper utilizes the electric-field volume-integral-equation method to demonstrate that for vapor cells smaller than half a wavelength, uncertainty in glass relative permittivity is the dominant error source in Rydberg atom electric-field measurements, yielding a total uncertainty of approximately 3.5% that could be reduced to under 1% with more precise permittivity data.
This paper introduces Color2Struct, a universal deep-learning framework that significantly enhances the accuracy and controllability of inverse structural color design through sampling bias correction, adaptive loss weighting, and physics-guided inference, enabling applications in high-end displays and solar energy harvesting.
This paper presents a theoretical framework for the quantum coupled dynamics of a nanoparticle and an ion ensemble in a dual-frequency Paul trap, demonstrating that sympathetic cooling via Coulomb coupling can achieve sub-kelvin to millikelvin temperatures and enabling the preparation of non-Gaussian motional states.
This paper presents experimental measurements of K-shell x-ray and extreme-ultraviolet spectra resulting from charge exchange collisions of fully ionized argon and oxygen ions with neutral gases in an electron beam ion trap, comparing these findings with theoretical multichannel Landau-Zener models to analyze observed discrepancies.
This paper reports the experimental observation and theoretical confirmation of resonant monopole-dipole energy transfer between helium Rydberg atoms and ammonia molecules, a process driven by charge-dipole interactions and requiring spatial wavefunction overlap, which establishes a new mechanism for energy exchange in hybrid quantum systems.
This paper demonstrates that while standard perturbation theory fails for atomic responses in intense low-frequency laser fields above W/cm, a Padé expansion fitted to numerical TDSE solutions effectively describes the nonperturbative regime up to W/cm and successfully models the intensity-dependent growth of third and fifth harmonic generation and optical rectification, despite limitations in predicting the nonlinear refractive index.
This paper demonstrates a pump-probe scheme using circularly polarized light and vector vortex beams in rubidium vapor to map frequency-dependent optical activity onto spatial polarization structures, enabling spatially resolved spectroscopy with a demonstrated image rotation of approximately 98 mrad per MHz.