Derivation · draft
Spin-Wave Dispersion and Magnons
D-264
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Threads waves · matter · symmetry
Depends on Weiss Mean-Field Theory of Ferromagnetism, harmonic-oscillator-ladder-operators, bose-einstein-distribution
Statement
Apply the Holstein-Primakoff transformation to the Heisenberg ferromagnet to derive the quadratic magnon dispersion and the Bloch T-to-the-three-halves law.
Depends on
Weiss Mean-Field Theory of Ferromagnetism, harmonic-oscillator-ladder-operators, bose-einstein-distribution
Used by
PU-303/L22 PU-303/L25