Search Results - "Hyperfine structure"

Unveiling Sudden Transitions Between Classical and Quantum Decoherence in the Hyperfine Structure of Hydrogen Atoms.

Authors: Berrada, Kamal Bougouffa, Smail

Source: Entropy. Nov2025, Vol. 27 Issue 11, p1161. 15p.

Quantum Coherence and Mixedness in Hydrogen Atoms: Probing Hyperfine Structure Dynamics Under Dephasing Constraints.

Authors: Berrada, Kamal Bougouffa, Smail

Source: Symmetry (20738994). Oct2025, Vol. 17 Issue 10, p1633. 17p.

Non-Classical Correlations Beyond Entanglement in Noisy Hyperfine Systems: Dynamics of Quantum Dissonance and One-Way Deficit Under Dephasing and Dissipation.

Authors: Berrada, Kamal Bougouffa, Smail

Source: Applied Sciences (2076-3417); Jun2026, Vol. 16 Issue 11, p5187, 21p

Reduction of the Systematic Error in the Readout of ¹⁷¹Yb⁺-Ion Optical Qubits Using Microwave Pumping.

Authors: Anosov, Yu. P. Borisenko, A. S. Zalivako, I. V. et al.

Source: JETP Letters. Apr2026, Vol. 123 Issue 7, p495-500. 6p.

Subjects: Ytterbium ions, Hyperfine structure, Quantum measurement, Qubits, Statistical bias

Deep learning-driven likelihood-free parameter inference for 21-cm forest observations.

Authors: Sun, Tian-Yang Shao, Yue Li, Yichao et al.

Source: Communications Physics. 5/27/2025, Vol. 8 Issue 1, p1-13. 13p.

Formaldehyde observations of Planck cold cores.

Authors: Imanaly, Ernar Esimbek, Jarken Baan, Willem et al.

Source: Monthly Notices of the Royal Astronomical Society. Jun2026, Vol. 549 Issue 2, p1-23. 23p.

Precision measurements of muonium and muonic helium hyperfine structure at J-PARC.

Authors: Strasser, Patrick Abe, Mitsushi Asai, Kanta et al.

Source: European Physical Journal D (EPJ D). Mar2025, Vol. 79 Issue 3, p1-15. 15p.

Subjects: Hyperfine structure, Quantum electrodynamics, Helium isotopes, Calibration, Standard model (Nuclear physics), Magnetic moments, Muons

EPR Spectra Hyperfine Structure of Fluorine‐Containing Nitroxide Radicals in Liquid Solutions: Prediction by DFT.

Authors: Matveev, Mikhail V. Lunkov, Sergei S. Chumakova, Natalia A.

Source: Magnetic Resonance in Chemistry. Apr2025, Vol. 63 Issue 4, p322-327. 6p.

Spectroscopic properties of SrH from relativistic coupled-cluster calculations.

Authors: Talukdar, Kaushik Nayak, Malaya K Pal, Sourav

Source: Journal of Chemical Sciences. Dec2025, Vol. 137 Issue 4, p1-11. 11p.

Subjects: Hyperfine structure, Laser cooling, Spectrometry, Quantum chemistry, Strontium compounds, Chemical properties, Electron configuration

High precision in a Fourier-transform spectrum of protactinium: extensive weighted least-squares fits of peak wavenumbers for analysis of fine and hyperfine structure: In memory of Jean-François Wyart and Annie Ginibre.

Authors: Kröger, Sophie¹ (AUTHOR) sophie.kroeger@htw-berlin.de

Source: European Physical Journal D (EPJ D). Aug2024, Vol. 78 Issue 8, p1-19. 19p.

Subjects: Hyperfine structure, Hyperfine interactions, Energy levels (Quantum mechanics), Fine-structure constant, Spectrum analysis

Fine and hyperfine (de-)excitation of C4H (X²Σ⁺) by collisions with He at low temperatures.

Authors: Mehnen, Bilel Hendaoui, Hamza Ben Abdallah, Driss et al.

Source: Astronomy & Astrophysics / Astronomie et Astrophysique. 2026, Vol. 706, p1-13. 13p.

Investigations on the defect structures for Mn²⁺ in CdSe nanocrystals and bulk materials and the criterion of occupation for Mn²⁺ in CdX (X = S, Se, Te) nanocrystals.

Authors: Li, Guo‐Liang Wu, Shao‐Yi Fan, Kai‐Min

Source: Magnetic Resonance in Chemistry. Aug2024, Vol. 62 Issue 8, p610-618. 9p.

Orthogonal operators: extension to hyperfine structure and equivalent p- and f-electrons.

Authors: Uylings, Peter Raassen, Ton

Source: European Physical Journal D (EPJ D). Apr2024, Vol. 78 Issue 4, p1-9. 9p.

Subjects: Hyperfine structure, Rare earth metals, Actinide elements, Eigenvalues

Present Status of Spectroscopy of the Hyperfine Structure and Repolarization of Muonic Helium Atoms at J-PARC.

Authors: Fukumura, Seiso Strasser, Patrick Fushihara, Mahiro et al.

Source: Physics (2624-8174). Jun2024, Vol. 6 Issue 2, p877-890. 14p.

Extended calculations of energy levels and transition rates for Yb LVII.

Authors: Hu, Feng Sun, Yan Mei, Maofei et al.

Source: Zeitschrift für Naturforschung Section A: A Journal of Physical Sciences. Apr2024, Vol. 79 Issue 4, p299-307. 9p.

Rotation dependence of v′ = 44 excited-state hyperfine constants obtained via precise measurements of the hyperfine structures of ¹²⁷I2 lines near 514 nm.

Authors: Yoshiki, Mayuko Matsunaga, Shogo Ikeda, Kohei et al.

Source: European Physical Journal D (EPJ D). Jul2023, Vol. 77 Issue 7, p1-11. 11p.

Subjects: Hyperfine structure, Hyperfine coupling, Modulation spectroscopy, Rotational motion, Units of time, Lasers

Hyperfine structure constants of Lu I and Lu II with Fourier transform spectroscopy.

Authors: Yu, Ziqing Ma, Huiting Wang, Ting et al.

Source: European Physical Journal D (EPJ D). May2023, Vol. 77 Issue 5, p1-12. 12p.

Subjects: Fourier transform spectroscopy, Hyperfine structure, Fourier transforms, Lutetium compounds

A chance insight into phosgene toxicity.

Authors: Daplan, Ekin Rodriguez, Enrique Lane, Nick et al.

Source: Free Radical Biology & Medicine. Oct2025, Vol. 238, p113-122. 10p.

Simple Strain Gradient–Divergence Method for Analysis of the Nanoindentation Load–Displacement Curves Measured on Nanostructured Nitride/Carbonitride Coatings.

Authors: Kanders, Uldis Kanders, Karlis Kromanis, Artis et al.

Source: Coatings (2079-6412); Jul2025, Vol. 15 Issue 7, p824, 24p

Energies and hyperfine structures of the 1s²2s2p ³P^o state of Be-like ions with Z = 11-18.

Authors: Li, Kai Kai Zhuo, Lin Zhang, Chun Mei et al.

Source: Canadian Journal of Physics. Aug2017, Vol. 95 Issue 8, p720-724. 5p.