🔬 Category

physics.atom-ph

429 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.

Investigating Roles of Triple Excitations for High-precision Determination of Clock Properties of Alkaline Earth Metal Singly Charged Ions

This study employs relativistic coupled-cluster theory to demonstrate the critical importance of triple excitations in accurately determining the electric dipole polarizabilities and quadrupole moments of clock states in singly charged alkaline-earth metal ions (Ca+^+, Sr+^+, and Ba+^+), while also deriving nuclear quadrupole moments that reveal significant deviations from existing literature values.

A. Chakraborty, Vaibhav Katyal, B. K. Sahoo2026-01-28🔬 physics.atom-ph

Engineering discrete local dynamics in globally driven dual-species atom arrays

This paper introduces a method for engineering discrete local dynamics in globally driven dual-species neutral atom arrays using Floquet protocols and generalized blockade regimes to realize Quantum Cellular Automata, such as the kicked-Ising and Floquet Kitaev models, for studying emergent digital phenomena and benchmarking chaotic many-body dynamics.

Francesco Cesa, Andrea Di Fini, David Aram Korbany, Roberto Tricarico, Hannes Bernien, Hannes Pichler, Lorenzo Piroli2026-01-28🔬 physics.atom-ph

General framework for quantifying entanglement production in ultracold molecular collisions and chemical reactions

This paper establishes a general theoretical framework to quantify diverse forms of product-state entanglement generated in ultracold molecular collisions and chemical reactions via external-internal degree coupling, demonstrating its controllability near magnetic Feshbach resonances through applications to specific Rb-based collisions and the F+HD reaction.

Adrien Devolder, Paul Brumer, Timur Tscherbul2026-01-27🔬 physics.atom-ph

Supersolid phases and collective excitations in two-dimensional Rashba spin-orbit coupled spin-1 condensates

This paper investigates the collective excitation spectrum and dynamics of two-dimensional Rashba spin-orbit coupled spin-1 Bose-Einstein condensates, revealing that tuning spin-orbit and Rabi couplings induces quantum phase transitions and leads to a dynamically unstable supersolid phase in the antiferromagnetic regime.

Sanu Kumar Gangwar, Sayan Chatterjee, Rajamanickam Ravisankar, Henrique Fabrelli, Paulsamy Muruganandam, Pankaj Kumar Mishra2026-01-27🔬 physics.atom-ph

State-Dependent Quantum Copying: an adaptive ancillary systems and its limitations

This paper proposes a novel state-dependent quantum cloning mechanism using an adaptive ancilla that dynamically aligns with the target state through interaction, demonstrating that while the process adheres to the no-cloning theorem, its fundamental limitations arise from physical symmetry constraints rather than the theorem itself, with stimulated emission in excited atoms serving as a concrete realization.

Guruprasad Kadam2026-01-26🔬 physics.atom-ph

Experimental observation of conformal field theory spectra

This study experimentally observes the universal energy excitation spectra of emergent Ising and tricritical Ising conformal field theories in a Rydberg atom quantum simulator, utilizing advanced modulation and local control techniques to recover characteristic energy ratios and probe dynamical correlations.

Xiangkai Sun, Yuan Le, Stephen Naus, Richard Bing-Shiun Tsai, Lewis R. B. Picard, Sara Murciano, Michael Knap, Jason Alicea, Manuel Endres2026-01-26🔬 physics.atom-ph