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

Hyperfine-driven polarization effects in elastic muon scattering by atomic nuclei

This paper presents a theoretical study demonstrating that nuclear-structure corrections significantly influence polarization dynamics in elastic muon scattering off high-magnetic-moment nuclei like 209^{209}Bi, thereby establishing scattered muon polarization as a sensitive probe for determining nuclear charge radii and magnetic dipole moments.

Ivan A. Moiseev, Daria M. Vasileva, Konstantin N. Lyashchenko, Igor A. Zhosan, Deyang Yu, Oleg Yu. Andreev2026-09-09
🔬 atomic physics

Simultaneous sub-Doppler laser cooling and optical trapping of bosonic 39^{39}K-133^{133}Cs and 41^{41}K-133^{133}Cs mixtures

This paper reports the first simultaneous sub-Doppler laser cooling and optical trapping of 41^{41}K-133^{133}Cs and 39^{39}K-133^{133}Cs mixtures, achieving temperatures of 10\sim10 μ\muK and utilizing the 39^{39}K-Cs samples to discover nine previously unobserved heteronuclear Feshbach resonances while characterizing the faster nonexponential loss dynamics that currently limit systematic spectroscopy in the 41^{41}K-Cs mixture.

Mateusz Bocheński, Jakub Dobosz, Koray Dinçer, Paweł Arciszewski, Mariusz Semczuk2026-09-09
🔬 atomic physics

A linear rotor trapped and coupled to the vibrational modes of an ion crystal

This paper investigates the resonant dipole-phonon coupling between the rotational states of trapped thorium fluoride molecular ions and the vibrational modes of a co-trapped ytterbium ion crystal, fully accounting for hyperfine structure to identify conditions for quantum control and detection via sideband spectroscopy.

Monika Leibscher, Juan M. Garcia-Garrido, Konstantin Gaul, Rosario Gonzalez-Ferez, Ferdinand Schmidt-Kaler, Christiane P (…)2026-09-04
🔬 atomic physics

Universal scaling of fluctuations and correlations across the superfluid transition

This paper experimentally validates the fundamental prediction of universal scaling in ultracold lattice Bose gases by demonstrating that microscopic details can be captured by just two scale factors to collapse order-parameter cumulants and correlations onto universal functions, thereby simultaneously determining critical exponents β\beta, γ\gamma, and ν\nu across the superfluid transition.

Paul Paquiez, Géraud Dupuy, Maxime Allemand, Henri Coquinot, Tommaso Roscilde, Nicolas Dupuis, Adam Rançon, Thomas Chalo (…)2026-09-04
🔬 atomic physics

Spatial correlations of photons interacting via transverse Rydberg blockade

This paper develops a theoretical framework for the transverse spatial dynamics of interacting Rydberg polaritons, revealing that transverse photon correlations are governed by diffraction and the blockade radius, while longitudinal correlations are driven by diffusion and bandwidth, thereby establishing transverse Rydberg blockade as a distinct mechanism for measuring the blockade radius.

Bankim Chandra Das, Daniil Svirskiy, Matthias Metternich, Wolfgang Alt, Sebastian Hofferberth, Ofer Firstenberg2026-09-02
🔬 atomic physics

Thermal screening and critical scaling of quantum energy teleportation in a harmonic chain

This paper establishes a finite-temperature Gaussian-state framework for quantum energy teleportation in a one-dimensional harmonic chain, demonstrating that while extracted energy is exponentially screened by thermal correlation lengths at finite temperatures, it follows a distinct d4d^{-4} power-law scaling in the zero-temperature critical limit, with squeezed measurements modifying the extraction efficiency without altering the large-distance scaling behavior.

Taisanul Haque2026-09-02
🔬 atomic physics

Superatomic hydrogen: achieving effective aggregation of hydrogen atoms at pressures lower than that of metallic hydrogen

This paper proposes a superatomic hydrogen model (H13) that achieves electron delocalization and metallic properties at pressures approximately two orders of magnitude lower than required for conventional metallic hydrogen, thereby offering a more feasible pathway for controlled nuclear fusion.

Jia Fan, Chenxi Wan, Rui Liu, Zhen Gong, Hongbo Jing, Baiqiang Liu, Siyang Liu, Zhigang Wang2026-08-31