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 demonstrates through realistic noise modeling and open-source simulation (DualYbSim) that dual-isotope Ytterbium arrays with in-place ancilla measurement significantly outperform single-isotope surface code architectures in logical error rates, while identifying Rydberg-state decay as the primary bottleneck for future fault-tolerant quantum computing improvements.
This paper demonstrates that optimizing gas-pressure gradients significantly enhances high-harmonic generation efficiency by managing the interplay between phase matching and absorption, thereby enabling higher photon flux for advanced applications in semiconductor manufacturing, nanoscale imaging, and XUV nonlinear optics.
This paper introduces the Rabi-Hatano-Nelson model to demonstrate the existence of a self-partitioned interfacial time crystal (SPITC), a novel phase where a homogeneous non-Hermitian system spontaneously generates an internal interface that breaks time-translation symmetry through nonreciprocity and open boundary conditions, without requiring external pumping or long-range interactions.
This paper demonstrates that contrary to conventional wisdom, optically thick atomic ensembles with inhomogeneous broadening can achieve exponential sensitivity enhancement in Ramsey interferometry through nonlinear interference of multiple echoes, enabling unprecedented frequency measurement precision in solid-state clocks.
This paper presents a detuning-robust Rydberg entangling gate design that utilizes echoed pulses to convert leading-order detuning errors into removable single-qubit rotations, thereby achieving high fidelities and enabling heralded erasure correction to significantly relax experimental requirements for fault-tolerant neutral atom quantum computing.
This paper presents a general atomic structure approach incorporating many-body corrections via the time-dependent Hartree-Fock method to constrain new electron-electron forces, establishing bounds on scalar-pseudoscalar and vector-axial vector couplings that rule out specific parameter regions and provide an updated Standard Model calculation for cesium parity non-conserving transitions.
This study demonstrates the first direct observation of stochastic transport in a Goldstone mode within a self-organized atomic crystal, revealing that fundamental photon recoil drives collective rigid-body motion while cavity dissipation provides friction, with the resulting diffusion scaling inversely with atom number and collapsing onto a universal curve.
This paper develops a systematic effective field theory framework to rigorously separate Standard Model nuclear effects from potential new physics in isotope shift measurements, revealing that the commonly used term arises only at second-order perturbation theory and deriving a long-range potential from nuclear polarizability to enable more precise tests of King non-linearity and nuclear structure.
This paper proposes and numerically validates a general method for engineering high-fidelity qudits in neutral strontium atoms by utilizing state-dependent light shifts to resolve Zeeman sublevel degeneracies, thereby enabling fast, coherent radio-frequency control and readout within the manifold.
This paper reveals a universal, strong electron-spin-dependent Rydberg interaction between -orbital atoms with specific principal quantum number differences, which couples spin to relative position through fine-structure splitting and enables the native realization of the Kitaev-Heisenberg model with a unique stripe phase.