578 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 presents the first fully quantum calculation of the cavity shift in electron magnetic moment measurements, demonstrating perfect agreement with classical results for spherical and cylindrical cavities while providing a generalized framework to address systematic effects for future high-precision tests of quantum field theory.
This paper theoretically investigates emergent elementary excitations in a two-dimensional Rydberg lattice gas with kinetically constrained long-range interactions, demonstrating that their transition rates to delocalized superposition states exhibit collective many-body enhancement and can be probed via sideband spectroscopy.
This paper investigates how the relative phase of a final superposition state in four-level stimulated Raman adiabatic passage (STIRAP) is controlled by the amplitude, width, and timing of the transfer pulses, with implications for experiments measuring symmetry violation in atomic and molecular systems.
This study presents optical spectroscopy and the first lifetime measurement (0.39 ± 0.02 s) of the barium 5d6s ³D₁ state in a neon matrix at 6.8 K, characterizing matrix-induced shifts and relaxation channels to inform future electron electric dipole moment searches using barium monofluoride.
This paper proposes an inexact Proximal-ADMM framework for structured quantum optimal control that prioritizes exploring and stabilizing a low-complexity frontier under realistic bandwidth and smoothness constraints, rather than serving as a universal high-fidelity solver for immediate deployment.
This paper reports the successful growth of triple-doped zinc selenide single crystals containing chromium, cobalt, and iron ions via the vertical Bridgman method under high argon pressure, followed by a comprehensive characterization of their structural, morphological, and optical properties for potential use as laser materials in the 2–5 micron atmospheric transparency band.
This paper details the theory of double microwave shielding, a technique using two microwave fields to suppress inelastic collisions and three-body recombination while enabling flexible tuning of dipolar interactions, thereby facilitating the creation of Bose-Einstein condensates and advancing the study of many-body physics in ultracold polar molecules.
Using a quantum-gas microscope with ultracold bosonic atoms in a two-dimensional disordered lattice, researchers directly observed the Bose-glass phase by characterizing its insulating yet compressible nature, reduced phase coherence, and non-ergodic behavior through local measurements of particle fluctuations and Talbot interferometry.
This paper demonstrates that combining optical homodyne and RF heterodyne detection techniques in a Rydberg atom-based sensor preserves sensitivity while achieving an 8 MHz bandwidth, enabling the effective reception of digital communication signals and revealing distinct performance characteristics between pure tone and modulated signal detection compared to conventional mixers.
This paper proposes a versatile, experimentally feasible reservoir engineering scheme using collective decay and local Hamiltonians in cavity QED to stabilize diverse highly entangled many-body states, enabling Heisenberg-limited differential quantum sensing immune to common-mode noise and the creation of symmetry-protected topological phases like the AKLT state.