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.

🔬 atomic physics

Isotope shifts and hyperfine splitting of the 1S03P1{}^{1}S_{0}\rightarrow{}^{3}P_{1} transition in zinc

This paper reports high-precision laser-induced-fluorescence spectroscopy of the 1S03P1{}^{1}S_{0}\rightarrow{}^{3}P_{1} transition in neutral zinc, measuring isotope shifts for all stable isotopes and resolving the hyperfine structure of 67Zn{}^{67}\mathrm{Zn} to provide essential parameters for narrow-line cooling and the development of optical clocks.

Felix Waldherr, Lukas Möller, Simon Stellmer2026-05-29
🔬 atomic physics

Four-wave mixing and secondary radiations generated by nonharmonic two-color filaments in air: Influence of the Kerr and plasma nonlinearities

This study investigates the generation of tunable mid-infrared radiation and secondary satellites in air via two-color femtosecond filaments, revealing through experiments and simulations that while plasma nonlinearities broaden frequencies, the Kerr nonlinearity plays the dominant role in amplifying four-wave mixing signals prior to the emergence of weaker secondary radiations.

V. Tamulienė, P. David, V. Vaičaitis, M. Rebarz, S. J. Espinoza, F. Catoire, L. Bergé2026-05-29
🔬 atomic physics

Protected quantum gates using qubit doublons in dynamical optical lattices

This paper presents and experimentally validates a purely geometric two-qubit swap gate using fermionic qubit doublons in dynamical optical lattices, which achieves intrinsically protected, high-fidelity quantum operations (99.91%99.91\%) by leveraging quantum statistics and symmetries to eliminate dynamical phase errors.

Yann Kiefer, Zijie Zhu, Lars Fischer, Samuel Jele, Marius Gächter, Giacomo Bisson, Konrad Viebahn, Tilman Esslinger2026-05-28
🔬 atomic physics

Strong-field Photoionization: Analysis of Overlapping Above-Threshold Ionization and Laser-Assisted Photoemission Structures

This paper presents a theoretical framework based on the strong-field approximation to analyze and distinguish overlapping above-threshold ionization and laser-assisted photoemission structures in the photoelectron spectra of atoms driven by combined high-frequency and intense low-frequency laser fields.

Candelaria Migliaro, Juan Martin Randazzo, Renata Della Picca2026-05-28
🔬 atomic physics

Strong Spin-Motion Coupling in the Ultrafast Dynamics of Rydberg Atoms

This paper demonstrates the emergence of strong spin-motion coupling in the ultrafast dynamics of Rydberg atoms within an optical lattice and proposes a method to arbitrarily tune this coupling, thereby expanding the Rydberg simulation toolbox to include motional degrees of freedom.

Vineet Bharti, Seiji Sugawa, Masaya Kunimi, Vikas Singh Chauhan, Tirumalasetty Panduranga Mahesh, Michiteru Mizoguchi, T (…)2026-05-27