429 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 proposes a novel dark matter detection framework using matter-wave interferometers within an open-system effective field theory, demonstrating that dark matter can be identified through phase shifts and decoherence effects that exhibit distinct quantum statistical behaviors and span both Markovian and non-Markovian dynamics across a wide mass range.
This paper reports the first experimental observation of strong-field stabilization in a ground state using trapped neutral atoms to emulate extreme laser fields, confirming the predicted wavefunction bifurcation and non-monotonic ionization rates that had previously resisted detection due to theoretical controversy and intensity limitations.
This paper presents high-precision variational calculations for helium Rydberg states up to using quantum defect and expansions, which confirm a significant 9 discrepancy between theoretical predictions and experimental measurements for the ionization energy while providing unprecedented 20-figure accuracy for the nonrelativistic Ritz expansion.
This paper applies Short-Range Effective Field Theory expanded around the unitarity limit to study three- and four-boson systems, demonstrating that the binding energies and radii of He clusters can be accurately described by universal discrete scale invariance with only small perturbative corrections for finite scattering length, effective range, and four-body forces.
This paper presents a novel master proportional-integral-differential magnetic trap (MPIDMT) that successfully stably levitates a ferromagnetic particle during microgravity in the Einstein-Elevator drop tower, overcoming launch disturbances to enable the long-sought observation of pure Larmor precession in macroscopic free fall.
This paper reports the first observation of metrologically useful spin-squeezed states in polar CaF molecules trapped in an optical tweezer array, demonstrating enhanced sensing capabilities, non-classical correlations, and long-lived storage of entanglement via dipolar interactions and Floquet engineering.
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.