725 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 characterizes the magnetic properties and establishes the spin Hamiltonians for the lowest Stark levels of the 3F4 and 3H4 manifolds in Tm3+:YAlO3 to predict optical clock transitions at telecommunication wavelengths, aiming to enhance optical coherence times for quantum applications.
This paper experimentally characterizes the frequency- and power-dependent optical response of a room-temperature cesium Rydberg microwave receiver by analyzing electromagnetically induced transparency spectra across a 9–13.5 GHz range, revealing how RF-induced splittings and complex multi-state couplings modify probe transmission and enabling the determination of power-response metrics like midpoint power and transition intervals.
This paper proposes that applying static electric fields to ultracold reactive CaNH molecules can suppress lossy collisions and enhance elastic collisions by three orders of magnitude, thereby establishing evaporative cooling as a viable pathway to create quantum degenerate gases of asymmetric top molecules for advanced quantum applications.
This paper presents a novel experimental apparatus combining a trapped ytterbium ion with dipolar dysprosium atoms to investigate how the high angular momentum of lanthanides influences atom-ion interactions, revealing that three-body recombination can compete with radiative charge transfer at high densities despite the latter's dominance in energy-averaged rates.
This paper demonstrates that residual interactions causing error distinguishability degrade quantum error correction performance by increasing the noise channel's Kraus rank and lowering fidelity, but identifies rapid syndrome extraction as a critical strategy to suppress this effect and restore near-perfect recovery.
This paper presents the design and characterization of a practical ion-photon interface utilizing a six-lens objective that achieves a high numerical aperture of 0.5 and a working distance exceeding 26 mm, enabling stable, efficient fiber-coupled photon collection with preserved non-classical statistics for trapped-ion quantum networks.
This paper demonstrates that photon statistics serve as a new control dimension for strong-field Rydberg-state excitation, where field fluctuations enhance multiphoton excitation by broadening resonances while simultaneously suppressing tunneling-mediated recapture through ensemble-induced phase dispersion.
This paper derives and experimentally validates a universal fidelity law for linear-optical entangling gates that predicts performance degradation based solely on Hong-Ou-Mandel visibility and second-order coherence, regardless of the specific signal-noise overlap or physical platform.
This paper presents and experimentally demonstrates a new spectroscopic interrogation protocol for optical ion clocks that achieves first-order auto-suppression of motion-induced frequency shifts without requiring specific shift-sign configurations, thereby reducing the associated uncertainty in a ytterbium ion clock and enabling a precise measurement of the E3/E2 frequency ratio that constrains the temporal variation of the fine-structure constant.
This paper proposes and experimentally validates a two-stage local control protocol that enhances counterdiabatic driving for efficient ground-state preparation in many-body systems, demonstrating its scalability up to 14 qubits on a trapped-ion platform without requiring spectral gap knowledge or non-local operations.