566 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.
This paper presents a high-resolution magnetic imaging system utilizing a free-induction-decay optically pumped magnetometer with a double-pass optical configuration and scanning micromirror to achieve sub-millimeter spatial resolution and sub-picotesla sensitivity, successfully enabling noninvasive diagnostics of integrated circuits and batteries.
This paper presents an all-optical method using double dressing to create spherical shell-shaped traps for ultracold atoms in microgravity, demonstrating a realistic configuration for rubidium ensembles that achieves strong transverse confinement with minimal heating.
This paper challenges the conventional continuous-medium approximation in atomic-ensemble sensing by introducing a discrete-atom framework that reveals an intrinsic "atomic granularity noise" (AGN), demonstrating that increasing optical probe power can paradoxically degrade sensitivity and establishing a fundamental limit where quantum-enhanced metrology fails once the photon-to-atom flux ratio exceeds a critical threshold.
This paper reports the first experimental demonstration that bright squeezed vacuum (BSV) quantum light dramatically enhances nonlinear tunneling ionization in sodium atoms, achieving the same effect as a much more intense coherent source while allowing precise control over the process through phase squeezing.
This study demonstrates that by tuning the thickness of BiSe thin films and applying a quasi-static terahertz field, researchers can effectively isolate and distinguish the high harmonic generation contributions of topological surface states from bulk states, thereby resolving debates on extracting topological signatures in nonlinear optical responses.
This study demonstrates that even weak atomic interactions in a Bose gas can significantly suppress or enhance bosonic stimulation in off-resonant light scattering by altering local atomic correlations, thereby establishing light scattering as a highly sensitive probe for ultrafast many-body correlation dynamics.
This paper establishes a complete spectroscopic roadmap for optical cycling in singly ionized thulium-169 and characterizes a metastable state as a robust qubit candidate, thereby laying the foundational groundwork for advanced quantum applications.
This paper proposes a method for manipulating the electronic matter wave of a Rydberg atom using tightly focused optical tweezers smaller than the electron orbit, which induces strong state mixing, large dipole moments, and enables sub-orbital radial trapping via ponderomotive forces.
This paper proposes and investigates a high motional frequency ion trapping regime that mitigates decoherence and heating limitations to significantly enhance gate fidelities, extend the lifetimes of nonclassical states, and accelerate experimental duty cycles for scalable quantum information applications.
This paper challenges the century-old Lindemann-Hinshelwood mechanism by demonstrating that barrierless termolecular reactions, such as ion-atom recombination, are fundamentally governed by direct three-body dynamics rather than sequential bimolecular encounters, a finding that resolves long-standing theory-experiment discrepancies and establishes a new framework for understanding these processes across various scientific fields.