570 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 multi-junction surface ion trap designed to address scaling challenges by raising the RF electrode and minimizing underlying dielectric layers to significantly reduce ohmic and dielectric power dissipation, while also characterizing heating rates across various motional frequencies and voltage sources.
This study investigates the predissociation dynamics of charged long-range Rydberg molecules, revealing that Stückelberg interference drives periodic variations in decay rates and that lighter heteronuclear systems dissociate rapidly enough to enable in situ non-adiabatic decay studies via ion microscopy.
This paper presents the design, construction, and performance of a compact, actively-shielded magnetic field system enclosed in three layers of mu-metal that achieves the extreme stability and uniformity required for the ACME III electron electric dipole moment measurement, significantly reducing magnetic-field-related systematic uncertainties compared to the previous generation.
This paper experimentally demonstrates a record-long-range photon blockade between counter-propagating photons mediated by Rydberg polaritons, achieving complete pulse-level interaction and tunable multi-photon dynamics that overcome the traditional trade-off between interaction strength and pulse duration.
This study utilizes highly sensitive collinear laser spectroscopy to measure previously inaccessible properties of calcium isotopes, revealing a pure single-particle magnetic dipole moment in and an enhanced charge-radius slope toward , which together provide robust evidence for a strong shell closure.
This paper demonstrates a proof-of-principle temporally multiplexed ion-photon quantum interface by rapidly transporting a nine-ion calcium chain over 74 μm in 86 μs, achieving high-rate entanglement with negligible crosstalk while characterizing the resulting motional excitation to guide future large-scale quantum networking.
This paper derives the Bayesian Cramér-Rao bound for spin-precession magnetometers and demonstrates that while the prediction error method achieves optimal precision, the extended Kalman filter offers a computationally efficient, near-optimal alternative for real-time magnetic field tracking well beyond the system's response bandwidth.
This paper demonstrates the first verification of Bell nonlocality using directly generated, high-fidelity spin-photon entanglement between a single rubidium atom and a telecom C-band photon, achieved via resonant excitation and cavity assistance to enable scalable quantum networks.
This study combines experimental L-MM Auger-Meitner electron spectroscopy with theoretical modeling to demonstrate that slow, multiply charged collisions induce extensive multiple ionization and charge exchange, leading to a charge-state equilibrium where both target and projectile emit electrons from species regardless of the initial projectile charge.
This paper extends the independent atom model with a pixel counting method to account for multiple sequential collisions via estimated mean free paths, resulting in a generalized approach that yields larger ionization cross sections for highly charged heavy-ion impacts compared to the previous model while remaining below simple additivity predictions.