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 paper introduces the adiabatic echo protocol, a robust method for preparing entangled many-body quantum states that suppresses static experimental imperfections through dynamically engineered destructive interference, demonstrating its effectiveness across diverse platforms like Ising spin chains and Rydberg atom arrays.
This paper presents the design and characterization of an open-hardware, 19-inch rack-mounted high-power RF amplifier optimized for ultracold atom experiments, delivering 36.5 dBm output across 50–1000 MHz with 40 dB gain, over 35% efficiency, and 0.01 dBm long-term stability.
This study demonstrates that ultracold fermions in a three-dimensional optical lattice exhibit a saturation of collisional resistivity at a value independent of interaction strength in the strongly interacting metallic regime, a phenomenon quantitatively explained by a renormalized two-body scattering matrix model.
This study investigates interatomic Coulombic decay (ICD) in helium ion–argon dimer collisions using a coupled-channel two-center basis generator method, revealing that electron excitation to the state is the dominant ICD pathway and that lower-energy He projectiles significantly enhance this decay process.
This paper reports the development of a robust multi-ion optical clock using up to 10 strontium ions that achieves a record-breaking fractional frequency uncertainty of while reducing measurement time by a factor of 4.8 compared to single-ion systems.
This paper calculates finite nuclear mass corrections to the hyperfine splitting in hydrogenic systems using a combined relativistic and nonrelativistic QED approach, finding results that disagree with previous calculations and reveal a discrepancy with hydrogen measurements that may point to issues with proton structure corrections.
This paper demonstrates that a resistively heated oven loaded with a barium-magnesium alloy serves as a safe, non-reactive, and effective source for generating barium vapor, enabling the reliable trapping of ions for quantum computing applications comparable to those using elemental barium.
This paper reports the first experimental observation of a lineshape-asymmetry-caused shift (LACS) in a short-baseline atomic interferometer-gravimeter, demonstrating that this systematic error scales as and can significantly affect high-precision measurements of gravitational acceleration.
This paper presents a state-of-the-art theoretical framework combining -expansion and all-order formalism to compute bound-state energies in medium-mass muonic atoms () with improved QED and nuclear polarization corrections, aiming to support high-precision extraction of nuclear charge radii from modern spectroscopy experiments.
This paper introduces a modified Lu-Fano plot that overcomes the limitations of the traditional method by accommodating more than two ionization thresholds and better handling closely split thresholds, as demonstrated through its application to manganese Rydberg spectra.