566 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.
The paper proposes a new "co-quantum" concept to provide a physical mechanism for electron-spin collapse, which successfully predicts the results of multi-stage Stern-Gerlach experiments in absolute units without parameter fitting and statistically reproduces the quantum mechanical wave function and density operator.
Researchers have demonstrated a nondestructive method for performing infrared absorption spectroscopy on a single polyatomic molecular ion by detecting single-photon momentum transfer through the amplified recoil signal of a co-trapped atomic ion.
This paper proposes a quantum-enhanced sensing protocol using spin-motion squeezed states in two-dimensional ion crystals within a Penning trap to achieve super-Heisenberg scaling for detecting wave-like dark matter and high-frequency gravitational waves.
The paper proposes a method to achieve near-deterministic loading of optical tweezer arrays by using repulsive barrier potentials to protect trapped particles during multiple loading cycles, significantly increasing filling efficiency for both atoms and molecules.
This paper rigorously establishes that dynamical quantum non-locality originates from the superposition principle by proving that the Wigner propagator reduces to its classical counterpart if and only if the Hamiltonian is at most quadratic, and introduces a measurable signed divergence that unifies the understanding of five distinct quantum phenomena ranging from non-local games to metrological gains.
This paper demonstrates that magnetic fields can tune the interactions between alkaline-earth Rydberg atoms to realize effective XXZ quantum spin models, revealing unique anisotropy behavior in Yb due to strong spin-orbit coupling and predicting the emergence of folded XXZ and supersolid phases in one- and two-dimensional systems.
This paper demonstrates that extending the Judd-Ofelt theory to account for 4f5d configuration effects significantly improves the description of Pr3+:YAG's luminescence properties, yielding more reliable spectroscopic data and confirming the feasibility of efficient laser operation at new wavelengths including 566 nm and 931 nm.
This paper proposes and demonstrates a hybrid visible-THz quantum interface where strong optical driving of polar emitters creates tunable Rabi-split states that couple to a THz channel, enabling the generation of high-fidelity steady-state entanglement between qubits through collective dissipative dynamics while allowing for complete optical control and readout.
The Rci-Q package extends the GRASP2018 suite by implementing an improved QED correction model that incorporates the Flambaum-Ginges radiative potential with new fitting prefactors, finite nucleus size corrections to self-energy, and the Wichmann-Kroll vacuum polarization potential.