The European Physical Journal C · 1984 · 165 citations · 2 references
Natural SciencesPhysicsCondensed Matter PhysicsMagnetic MaterialsQuantum MechanicsExchange InteractionsMagnetic Properties Of SolidsSpin DynamicsSpin-orbit CouplingSpin HamiltoniansSpin SystemsSpin-orbit Coupling Effects
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Deformations of gauge groups. Gravitation
Julia Fang, C. Frønsdal · Journal of Mathematical Physics · 1979 · 92 citations