2014/04/30 by Alexander J. Silenko · 30 citations
Mathematics · Physics and Astronomy · #Condensed matter physics #Electron #Electron magnetic dipole moment #Hamiltonian (control theory) #Magnetic field #Magnetic moment #Magnetization #Mathematics #Noncommutative and Quantum Gravity Theories #Physics #Quantum and Classical Electrodynamics #Quantum electrodynamics #Quantum mechanics #Quantum, superfluid, helium dynamics #Spin magnetic moment #Spin polarization #quant-ph
paper · pdf · doi:10.1103/physrevd.89.121701
published in Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fields 89(12) (American Physical Society) · final version
openalex publication_date 2014/06/03 · arxiv created 2014/06/09 · arxiv updated 2014/06/10 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/05
The exact Foldy-Wouthuysen Hamiltonian is derived for a pointlike spin-1 particle with a normal magnetic moment in a nonuniform magnetic field. For a uniform magnetic field, it is exactly separated into terms linear and quadratic in spin. New unexpected properties of a particle with an anomalous magnetic moment are found. Spin projections of a particle moving in a uniform magnetic field are not integer, and the tensor polarization is asymmetric in the plane orthogonal to the field. Previously described spin-tensor effects caused by the tensor magnetic polarizability exist not only for nuclei but also for pointlike particles.