728 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 experimentally demonstrates the suppression of differential light shifts in both ground and metastable clock qubits of ions by tuning laser polarization to a "magic" condition in the presence of a magnetic field, while also providing calculations for required bias fields and achieving high-fidelity state control for the metastable qubit.
This paper presents a diagrammatic Monte Carlo method that stochastically samples and resums ladder series contributions to the positron self-energy in molecules, achieving significant memory reduction compared to deterministic Bethe-Salpeter equation solutions while demonstrating quantitative agreement with exact diagonalization benchmarks for lithium hydride.
This paper introduces a generalized input-output formalism to demonstrate that carefully optimizing Bragg beam splitter parameters and the degree of spin-squeezing can enhance the phase sensitivity of lossy multi-path atom interferometers by several decibels beyond the standard quantum limit, despite challenges posed by realistic losses and finite temperatures.
This paper proposes a new class of quantum transitions with large-scale intercorrelations that, through a novel contribution to Rayleigh scattering probabilities, resolves longstanding puzzles regarding sky diffusion and laser anomalies while aligning Earth's albedo with satellite observations.
This paper reports high-precision laser-induced-fluorescence spectroscopy of the transition in neutral zinc, measuring isotope shifts for all stable isotopes and resolving the hyperfine structure of to provide essential parameters for narrow-line cooling and the development of optical clocks.
This study investigates the generation of tunable mid-infrared radiation and secondary satellites in air via two-color femtosecond filaments, revealing through experiments and simulations that while plasma nonlinearities broaden frequencies, the Kerr nonlinearity plays the dominant role in amplifying four-wave mixing signals prior to the emergence of weaker secondary radiations.
This paper demonstrates that dephasing noise in a multimode cavity induces a hierarchical sequence of dynamical regimes and unexpectedly enhances the ballistic expansion of polariton wave-packets, sustaining this spreading far beyond the microscopic dephasing time.
This paper presents and experimentally validates a purely geometric two-qubit swap gate using fermionic qubit doublons in dynamical optical lattices, which achieves intrinsically protected, high-fidelity quantum operations () by leveraging quantum statistics and symmetries to eliminate dynamical phase errors.
This paper presents a theoretical framework based on the strong-field approximation to analyze and distinguish overlapping above-threshold ionization and laser-assisted photoemission structures in the photoelectron spectra of atoms driven by combined high-frequency and intense low-frequency laser fields.
This paper demonstrates the emergence of strong spin-motion coupling in the ultrafast dynamics of Rydberg atoms within an optical lattice and proposes a method to arbitrarily tune this coupling, thereby expanding the Rydberg simulation toolbox to include motional degrees of freedom.