585 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 investigates how the angular momentum quantization of Rydberg atoms creates distinct, universal spectroscopic fingerprints in electromagnetically-induced transparency signals when exposed to rotating linearly polarized radio-frequency fields, revealing two disparate atomic ladder behaviors that challenge prevailing interpretations of SI-traceable Rydberg atom electrometers.
This paper develops a model to estimate the upper bound of interference effects in multi-pass cells on laser-induced muonic hydrogen hyperfine transitions, concluding that while neglecting these effects can theoretically overestimate transition probabilities, they are negligible under the specific experimental conditions studied.
This paper presents environmental measurements at the Sedrun Access Shaft in Switzerland, demonstrating that its low ground motion and electromagnetic background levels make it a viable site for an 800-meter atom interferometer designed to detect ultralight dark matter and gravitational waves.
This paper presents a general measurement protocol that enables the in-situ characterization of light-matter coupling to individual photonic modes in complex multimode circuit-QED systems by leveraging AC-Stark and Kerr effects, thereby eliminating the need for single-photon resolution or calibration, and validates the method using a superconducting transmon qubit coupled to a microwave resonator lattice.
This paper demonstrates a significant breakthrough in hybrid quantum networking by successfully entangling a single trapped ytterbium ion with a solid-state europium-doped quantum memory over a 75-meter distance, achieving a fidelity of 89.21% and violating the CHSH-Bell inequality to confirm nonlocality between heterogeneous quantum nodes.
This paper develops a theoretical framework for optical pumping in alkali-metal vapors under quasi-high-pressure buffer gas conditions, where collisional broadening is comparable to hyperfine splitting, revealing significant deviations from high-pressure approximations to guide the optimization of atomic magnetometry systems.
This paper introduces a fully relativistic close-coupling approach that incorporates plasma screening effects to model Stark broadening, resolving theoretical bottlenecks in electron-ion collisions and providing a quantum-mechanical interpretation of screening factors for improved plasma diagnostics.
This paper introduces and compares "escalator" and "elevator" approaches for vertical ion transport in surface Paul traps, demonstrating methods to dynamically adjust ion confinement height by nearly twofold to enhance laser interaction tuning, heating studies, and cavity alignment.
This paper demonstrates a programmable high-dimensional temporal mode processor using a Raman quantum memory in warm cesium vapor, which enables on-demand storage, filtering, and conversion of orthogonal temporal waveforms to serve as a coherent interface between MHz- and GHz-bandwidth modes for scalable quantum networks.
This paper demonstrates that a driven-dissipative system coupling the Landau levels of a charge-neutral particle in a synthetic gauge potential to a quantized optical cavity can be effectively modeled as two highly nonlinearly coupled quantum harmonic oscillators, giving rise to hybrid "Landau polaritons" with unique entanglement, squeezing, and diverse nonequilibrium dynamics.