593 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 that arranging a repumping transition for Sr atoms into a "green" magneto-optical trap significantly enhances atom capture and enables balanced two-color trapping, offering a promising scheme for achieving low temperatures and generating continuous atomic beams.
This paper introduces the concept of robustness to quantify state transfer protocols' tolerance to imperfect ancilla initialization, proving that this metric tightly bounds operator commutators to derive new, often improved, minimum runtimes for partially state-dependent quantum state transfer under power-law interactions.
This paper reports the first observation of interaction-induced, continuously tunable Fermi surface deformations in a deeply degenerate gas of microwave-shielded polar molecules, demonstrating a highly controllable platform for exploring strongly correlated dipolar quantum matter.
This paper demonstrates a compact and low-cost method for stabilizing Rydberg dissipative time crystal experiments by using a scanning Fabry Perot interferometer to transfer lock a 960nm coupler laser to an 852nm probe, significantly reducing frequency drift and improving long-term stability.
This paper presents an overview of the BASE collaboration's development of quantum logic techniques using a co-trapped 9Be+ ion to achieve full single-quantum control of (anti-)protons in a cryogenic Penning trap, aiming to significantly enhance the precision of g-factor measurements for rigorous CPT symmetry tests.
This paper presents a comprehensive study of selenium atomic data from Se I to Se X using GRASP2018 to calculate expansion opacities and perform spectral analysis with POSSIS, revealing that selenium spectral features are only detectable in kilonova scenarios where selenium constitutes 100% of the ejecta, with all results now accessible via the open-source MARTINI platform.
This paper experimentally demonstrates an analogue of the optical Maxwell fish-eye lens using phononic excitations in a Bose-Einstein condensate, successfully engineering a tunable spatially varying speed of sound to achieve perfect wave focusing and validate theoretical predictions.
This paper introduces a rapid spectroscopic technique based on dimer-projection to measure contact parameters in a unitary Fermi gas on microsecond timescales, revealing that this feature dominates the clock shift and highlighting the significance of multichannel effects beyond universal predictions.
This paper introduces an alternative two-photon Autler-Townes resonance observed on the upper-leg beam in Rydberg ladder systems, which overcomes the limitations of traditional electromagnetically induced transparency in Doppler-broadened media by offering superior signal-to-noise ratios for resolving high-n Rydberg states and enabling frequency stabilization.
This paper establishes a simple, universally applicable bound for background gas collision shifts in single ion clocks by demonstrating that both classical and quantum models yield consistent results where the shift is determined by the Langevin collision rate reduced by a factor accounting for the decoupling of the clock laser due to recoil motion.