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.

Experimental challenges and prospects for quantum-enhanced energy conversion: Stationary Fano coherence in V-type qutrits interacting with polarized incoherent radiation

This paper theoretically demonstrates that stationary Fano coherence can be achieved in a V-type three-level quantum system driven by polarized incoherent radiation without requiring degenerate excited levels, thereby establishing a robust resource for coherence-enhanced energy conversion while outlining the experimental challenges of implementing this model with Rubidium atoms.

Ludovica Donati, Francesco Saverio Cataliotti, Stefano Gherardini2026-02-13🔬 physics.atom-ph

Protocols for a many-body phase microscope: From coherences and d-wave superconductivity to Green's functions

This paper proposes a protocol for a many-body phase microscope using Fourier-space manipulation in quantum gas microscopes to directly measure off-diagonal correlators, including d-wave superconducting order parameters, spectral functions, and hidden orders in exotic quantum states.

Christof Weitenberg, Luca Asteria, Ola Carlsson, Annabelle Bohrdt, Fabian Grusdt2026-02-13🔬 physics.atom-ph

Realization of a cavity-coupled Rydberg array

This paper presents a novel experimental platform that successfully combines scalable neutral-atom arrays with high-finesse optical cavities to simultaneously achieve strong atom-cavity coupling and controlled Rydberg excitations, thereby enabling the realization of quantum network nodes, long-range interacting quantum simulations, and photonic-state engineering.

Jacopo De Santis, Balázs Dura-Kovács, Mehmet Öncü, Adrien Bouscal, Dimitrios Vasileiadis, Johannes Zeiher2026-02-13🔬 physics.atom-ph

Second excited state of 4He{}^4\mathrm{He} tetramer

Using a momentum-space transition operator framework with realistic interatomic potentials, this study rigorously calculates the atom-trimer scattering of cold 4He{}^4\mathrm{He} atoms to confirm the existence of a second excited tetramer resonance below the excited trimer threshold, determining its position and width while accounting for significant finite-range effects and nonresonant partial wave contributions.

A. Deltuva2026-02-13🔬 physics.atom-ph

Phase Estimation from Amplitude Collapse in Correlated Matter-Wave Interference

This paper introduces Phase Estimation from Amplitude Collapse (PEAC), a novel fitting method for correlated matter-wave interferometers that significantly improves measurement trueness by reducing bias and offers competitive precision near vanishing amplitude, thereby enabling high-accuracy applications without requiring phase stability.

Daniel Derr, Dominik Pfeiffer, Ludwig Lind, Gerhard Birkl, Enno Giese2026-02-13🔬 physics.atom-ph

Observation of high partial-wave Feshbach resonances in 39^{39}K Bose-Einstein condensates

This paper reports the experimental observation and theoretical confirmation of several high partial-wave magnetic Feshbach resonances in 39^{39}K Bose-Einstein condensates, which are induced by dipolar spin-spin interactions and offer significant potential for studying many-body physics dominated by high partial-wave pairing.

Yue Zhang, Liangchao Chen, Zekui Wang, Yazhou Wang, Pengjun Wang, Lianghui Huang, Zengming Meng, Ran Qi, Jing Zhang2026-02-12🔬 physics.atom-ph

Cavity Controls Core-to-Core Resonant Inelastic X-ray Scattering

This paper reports the first experimental demonstration of cavity-controlled core-to-core resonant inelastic X-ray scattering (RIXS) in WSi2_2, where monitoring the RIXS profile eliminates absorption edge effects to resolve distinct cavity-induced energy shifts and enhanced decay rates, thereby establishing a new method for manipulating inner-shell dynamics and integrating quantum optical effects with X-ray spectroscopy.

S. -X. Wang, Z. -Q. Zhao, X. -Y. Wang, T. -J. Li, Y. Su, Y. Uemura, F. Alves Lima, A. Khadiev, B. -H. Wang, J. M. Ablett, J-P. Rueff, H. -C. Wang, O. J. L. Fox, W. -B. Li, L. -F. Zhu, X. -C. Huang2026-02-12🔬 physics.atom-ph

Field-Deployable Hybrid Gravimetry: Projecting Absolute Accuracy Across a Remote 24km2^2 Survey via Daily Quantum Calibration

This paper demonstrates a field-deployable hybrid gravimetry system that uses an on-site atomic gravimeter to provide daily quantum-level calibration for mobile spring gravimeters, effectively suppressing instrumental drift to achieve high-precision, drift-free gravity mapping across a challenging 24 km² remote terrain.

Nathan Shettell, Kai Sheng Lee, Fong En Oon, Elizaveta Maksimova, Hong Hui Chen, Rainer Dumke2026-02-12🔬 physics.atom-ph

Electron-impact cross sections for dissociation processes of vibrationally excited CH radical

This paper theoretically investigates electron-impact dissociation cross sections and rate coefficients for vibrationally excited CH radicals using the ab-initio R-matrix method and Local Complex Potential framework, providing data essential for understanding non-equilibrium kinetics in plasma technologies, combustion, and astrophysical environments.

O. Abidi, I. Jendoubi, M. Telmini, R. Ghosh, K. Chakrabarti, V. Laporta2026-02-12🔬 physics.atom-ph