Itinerant electrons and local moments in high and low magnetic fields: theoretical analysis of metamagnetism and paramagnetic susceptibility

Starting from a periodic Anderson Hamiltonian in the presence of an applied magnetic field, we present a model of the field-induced metamagnetism. Equations of motion for the magnetization and spin-fluctuation amplitudes are derived using Heisenberg's equation. A non-linear equation is set up,...

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Veröffentlicht in:	Physica. B, Condensed matter Condensed matter, 2003-12, Vol.339 (4), p.164-176
Hauptverfasser:	Tripathi, G.S, Mahanty, B.G, Misra, P.K
Format:	Artikel
Sprache:	eng
Schlagworte:	Condensed matter: electronic structure, electrical, magnetic, and optical properties Electron-correlations EPR shift Exact sciences and technology Itinerant magnetism Magnetic phase boundaries (including magnetic transitions, metamagnetism, etc.) Magnetic properties and materials Magnetically ordered materials: other intrinsic properties Metamagnetism Physics Saturation moments and magnetic susceptibilities
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