630 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 theoretically demonstrates that anisotropic long-range interactions and spontaneous stripe order in quasi-2D dipolar Bose-Einstein condensates stabilize straight dark solitons against transverse decay by gapping their excitation spectra and increasing bending stiffness, making this interaction-driven protection accessible in current Er and Dy experimental platforms.
This paper systematically investigates cavity-induced diagonal Born-Oppenheimer corrections (DBOC) across various atomic and molecular systems using a QED-CI framework, revealing that strong light-matter coupling significantly alters dissociation energies and nuclear dynamics, with effects reaching experimental resolution in certain cases.
This paper demonstrates a cost-effective method for simultaneously trapping and spatially controlling mixtures of two dysprosium isotopes in a narrow-line magneto-optical trap by using phase-modulated lasers with tunable sidebands to address both the slowing and MOT transitions.
This paper reports a Doppler-enhanced superheterodyne Rydberg microwave receiver using a co-propagating laser configuration that achieves 1.5 times better sensitivity and requires 17.6 times less local oscillator power than counter-propagating setups, while offering improved potential for portable integration.
This paper presents an end-to-end field validation demonstrating that a wearable, in-house-developed Free-Induction-Decay Optically Pumped Magnetometer (FID-OPM) can significantly enhance GNSS-independent positioning accuracy, achieving a radial error of 2.24 meters over a 500-meter walking route by leveraging stable measurements of Earth's crustal magnetic anomalies.
This paper presents theoretical calculations and experimental validation of the nonlinear refractive index of warm rubidium vapor, demonstrating excellent quantitative agreement and achieving a Kerr coefficient of up to cm/W while providing open-source Python tools to simulate these effects under various broadening and collision conditions.
This paper develops a theory for collective atom-light coupling in trapped neutral atom arrays within the Lamb-Dicke limit, demonstrating that quantized vibrational motion creates hybrid sub- and superradiant states combining electronic and vibrational excitations.
This paper presents an overview of recent advancements in scalable chip-based 3D ion traps, detailing developments in chip materials, on-chip electronic integration, compact vacuum connections, and the simulation-guided incorporation of micro-optics without disrupting trapped ions.
This paper resolves the hyperfine puzzle by demonstrating that a minimax variational calculation based on the exact Dirac equation suppresses the effective magnetic moments of fermions at small radii, thereby preventing atomic collapse and ensuring the stability of hydrogen, positronium, and other two-fermion Coulombic systems.
This paper investigates the intensity stability of a continuous superradiant laser architecture proposed for active optical clocks, deriving an analytical criterion for the onset of chaotic behavior when cavity photon lifetimes are significantly shorter than atomic lifetimes, while also highlighting its potential as a platform for studying turbulence-like chaos and identifying a regular self-pulsing regime at large atom numbers.