725 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 demonstrates that plasma-induced reshaping of the driving laser field is the central mechanism governing phase-matching and the resulting large spectral shifts in high-order harmonic generation using high-repetition-rate ytterbium-based lasers.
This paper presents a new cryogenic apparatus capable of growing neon crystal matrices doped with barium monofluoride (BaF) at temperatures as low as 3.2 K, demonstrating successful fluorescence spectroscopy of BaF and its potential for future electron electric dipole moment measurements.
The authors demonstrate a compact, power-efficient sub-Doppler cooling scheme for Rb atoms using a single-beam conical hollow mirror integrated with anti-Helmholtz coils, which traps approximately atoms and achieves anisotropic temperatures of 13.4 K radially and 106 K axially via polarization gradient cooling.
By leveraging sharp-edged core-shell Au@Pd nanoparticle morphologies to inhibit dislocation formation via reduced shear stress, this study demonstrates a strategy for preserving surface strain under harsh reaction conditions, resulting in a fourfold increase in catalytic activity for Suzuki-type cross-coupling reactions.
This paper demonstrates that while interactions do not affect the Kohn oscillation frequency in a standard harmonic trap, they break the protection in a parity-time-symmetric gain-loss trap by coupling the modulated atom number to the cloud's width, thereby inducing a quadratic period shift with gain strength that persists until resonance with highly excited states occurs.
This paper presents a batch-fabricated, all-dielectric vapor cell that overcomes the limitations of silicon-based designs to enable stable, high-sensitivity Rydberg atom electrometry for millimeter-wave electric field measurements.
This study employs a fine-tuned machine-learned interatomic potential (MACE-POLAR-M) to efficiently generate a converged free-energy surface for the initial step of MIL-101(Cr) secondary building unit formation, correcting the thermodynamic inaccuracies of a pre-trained model and revealing a previously unknown stepwise water-release mechanism that was previously inaccessible via computationally prohibitive ab initio molecular dynamics.
This paper proposes a novel matter-wave interferometry scheme using rare-earth-doped microparticles that leverages time-symmetric geometry and specific ion states to eliminate sensitivity to initial conditions while demonstrating that decoherence can be managed with larger masses, thereby enabling high-precision quantum sensing and gravity tests.
This paper presents two compact, robust achromatic mirror structures that enable efficient single-beam magneto-optical trapping and two-stage cooling of fermionic ytterbium isotopes, advancing the development of mobile and space-borne optical lattice clocks.
This paper presents a novel, low-power microstructured fused silica atomic oven designed for alkaline-earth-like elements that achieves high magneto-optical trap loading rates of over atoms/s with heating power below 250 mW, addressing critical size and power constraints for space-based optical lattice clocks.