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.

Revealing Pseudo-Fermionization and Chiral Binding of One-Dimensional Anyons using Adiabatic State Preparation

Using ultracold atoms in an optical lattice, the authors experimentally demonstrate pseudo-fermionization and chiral binding in one-dimensional anyons by preparing ground states of the anyon-Hubbard model through Hamiltonian engineering and adiabatic manipulation, thereby bridging theoretical predictions with observable signatures in both equilibrium and non-equilibrium settings.

Brice Bakkali-Hassani, Joyce Kwan, Perrin Segura, Yanfei Li, Isaac Tesfaye, Gerard Valentí-Rojas, André Eckardt, Markus Greiner2026-02-25🔬 physics.atom-ph

Two-photon interference between mutually-detuned resonance fluorescence signals scattered off a semiconductor quantum dot

This study systematically investigates how driving detuning affects photon indistinguishability from an InAs quantum dot, revealing that while small detunings align with a pure-state spontaneous emission model, larger detunings produce anomalous two-photon interference features characterized by a normalized second-order correlation function below 0.5 under orthogonal polarizations.

Guoqi Huang, Jian Wang, Ziqi Zeng, Hanqing Liu, Li Liu, Weijie Ji, Bang Wu, Haiqiao Ni, Zhichuan Niu, Rongzhen Jiao, Davide G. Marangon, Zhiliang Yuan2026-02-24🔬 physics.atom-ph

Degenerate mirrorless lasing in thermal vapors

This paper demonstrates that a distinct sideband gain peak, typically obscured by Doppler broadening in thermal vapors, can be sustained in warm alkali atom systems when the pump Rabi frequency and detuning exceed the Doppler width, thereby enabling degenerate mirrorless lasing for enhanced remote magnetic sensing.

Aneesh Ramaswamy, Dmitry Budker, Simon Rochester, Aram Papoyan, Svetlana Shmavonyan, Himadri Parashar, Vladimir V. Malinovsky, Svetlana A. Malinovskaya2026-02-24🔬 physics.atom-ph

Ab Initio Calculations of the Static and Dynamic Polarizability of BaOH

This paper presents high-precision relativistic coupled-cluster calculations of the static and dynamic polarizabilities for the ground and (010) vibrational states of BaOH, establishing a rigorous uncertainty quantification procedure and validating the results through comparison with experimental dipole moment data.

E. H. Prinsen, A. Borschevsky, S. Hoekstra, A. K. Dutta, S. Chakraborty, B. J. Schellenberg, L. F. Pašteka, I. A. Aucar2026-02-24🔬 physics.atom-ph

Four- and six-photon stimulated Raman transitions for coherent qubit and qudit operations

This paper experimentally demonstrates high-fidelity coherent control of single-atom qubits and qudits by achieving four- and six-photon stimulated Raman transitions with magnetic quantum number changes of ΔmJ=3,4,\Delta m_J = 3, 4, and $5$, while providing a theoretical framework and pathways to reach fidelities exceeding 99.99%.

Gabriel J. Gregory, Evan R. Ritchie, Alex Quinn, Sean Brudney, David J. Wineland, David T. C. Allcock, Jameson O'Reilly2026-02-24🔬 physics.atom-ph

Atomic parity violation in highly charged 40,48^{40,48}Ca and 208^{208}Pb ions

This paper calculates parity-violation-induced E1 amplitudes for specific transitions in H- and Li-like calcium and lead ions, concluding that while neutron-skin corrections can be neglected for calcium isotope comparisons in searches for new ZZ' boson physics, both neutron-skin effects and sensitivity to such interactions are significant for 208^{208}Pb.

A. V. Viatkina, Ch. G. Mertens, B. Ohayon, V. A. Yerokhin, A. Surzhykov2026-02-24🔬 physics.atom-ph

Collective light shifts of many longitudinal cavity modes induced by coupling to a cold-atom ensemble

This paper experimentally demonstrates the collective light shifts of over 100 longitudinal cavity modes induced by coupling to a cold-atom ensemble, revealing new physics beyond single-mode interactions and establishing a foundation for multifrequency cavity quantum electrodynamics.

Marin Ðujić, Mateo Kruljac, Lovre Kardum, Neven Šantić, Damir Aumiler, Ivor Krešić, Ticijana Ban2026-02-23🔬 physics.atom-ph